To find two divergent series, summation from n equals 1 to infinity of a_n and summation from n equals 1 to infinity of b_n, such that their product converges, we can consider the following series:
1. Summation from n equals 1 to infinity of a_n = ∑(1/n)
2. Summation from n equals 1 to infinity of b_n = ∑n
Solution:
1. The first series, ∑(1/n), is known as the harmonic series. It is a famous example of a divergent series, meaning that its sum approaches infinity as n approaches infinity.
2. The second series, ∑n, is an arithmetic series where the terms increase linearly. This series is also divergent, as the sum increases without bound as n approaches infinity.
Now, we need to verify that the product of these series converges:
3. Summation from n equals 1 to infinity of (a_n * b_n) = ∑((1/n) * n)
4. Simplifying the expression, we get ∑(1), which is a constant series with all terms equal to 1.
5. The sum of the constant series converges, as it approaches a finite value when n approaches infinity.
In conclusion, the two divergent series summation from n equals 1 to infinity of a_n = ∑(1/n) and
summation from n equals 1 to infinity of b_n = ∑n, have a product that converges, as their product ∑((1/n) * n) simplifies to a constant series ∑(1), which has a finite sum.
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Between which two benchmarks is 3/8 how do you know?
Answer:
Step-by-step explanation:
To find the benchmarks between which 3/8 falls, we need to identify the nearest fractions with denominators that are multiples of 8.
The fraction 3/8 is halfway between 1/4 and 1/2, which can be written as 2/8 and 4/8 respectively. So, we know that 3/8 is greater than 2/8 and less than 4/8.
Therefore, the benchmarks between which 3/8 falls are 2/8 and 4/8. Alternatively, we can express these fractions as decimals and say that 3/8 falls between 0.25 and 0.5.
Produce an equivalent equation for f(x)=7(x-60)-28 to reveal the y-intercept for the function. What is the y-intercept?
The equivalent equation to f(x) = 7(x - 60) - 28 is f(x) = 7x - 448 and the y-intercept is -448
How to determine the equivalent equationGiven that
f(x) = 7(x - 60) - 28
To produce an equivalent equation that reveals the y-intercept of the function f(x) = 7(x-60) - 28, we need to simplify the expression by evaluating it when x = 0, since this will give us the y-intercept.
When the brackets are expanded, we have the following
f(x) = 7x - 420 - 28
Evaluate the like terms
So, we have
f(x) = 7x - 448
So, substituting x = 0 into f(x) gives:
f(0) = 7(0) - 448
Evaluate the expression
f(0) = -448
Therefore, the y-intercept is -448.
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Write the equation of the line in standard form.
y = 3x + 10
X
x
X
X
A
B
C
D
3x + y = -10
3x + y = 10
3x - y = -10
3x - y = 10
The equation of the line y = 3x + 10 in standard form is 3x - y = -10.
What is the equation of line in standard form?Given the equation of line in the question:
y = 3x + 10
To write the equation of the line in standard form, we need to rearrange the equation so that the x and y terms are on the left side and the constant term is on the right side of the equation.
It is expressed as;
Ax + Bx = C
y = 3x + 10
Subtracting 3x from both sides, we get:
y - 3x = 3x - 3x + 10
y - 3x = 10
Reorder
-3x + y = 10
Multiply each term by -1
-3x(-1) + y(-1) = 10(-1)
3x - y = -10
Therefore, the equation in standard form is 3x - y = -10.
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Can anyone please help 10 points
The value of x using similar triangles theorem is = 13/3.
What are similar triangles?Triangles that resemble one another but may not be exactly the same size are said to be comparable triangles.
When two objects have the same shape but different sizes, they can be said to be comparable.
This indicates that comparable shapes superimpose one another when amplified or de-magnified.
The term "Similarity" refers to this characteristic of like shapes.
Now in the given figure,
the proportion of the triangles' side is same.
So, 12/4 = 13/x
x = 13/3
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Write the equation of a line that is parallel to the line x-3y=15 that go through the point (-9,8)
Answer:
eqn of line : x-3y=15
slope1=m= -coefficient of x/coefficient of y=1/3
As lines are parallel slope must be equal.
slope3=m'=1/3
passing points of second line =(0,7)
eqn of line = (y-y')=m(x-x')
=(y-7)=1/3(x-0)
=y-7=1/3x
=1/3x-y+7=0
=x-3y+21=0
Step-by-step explanation:
a number is equal to . what is the smallest positive integer such that the product is a perfect cube?
The smallest positive integer y such that the product xy is a perfect cube is 3.
To find the value of y, we need to factorize x, which is 7 * 24 * 48.
We can then find the prime factorization of xy, which will help us determine the smallest integer y that will make the product a perfect cube.
Since 7, 24, and 48 are already factored, we can express x as:
x = 2⁴ * 3 * 7²
To make xy a perfect cube, we need to ensure that the exponents of all the prime factors are multiples of 3.
Therefore, we need to add a factor of 3 to the exponent of 2 in x to make it a multiple of 3. This gives us:
xy = 2⁷ * 3² * 7²
The smallest integer y that can make this product a perfect cube is 3, because we need to add a factor of 1 to the exponent of 2 in xy to make it a multiple of 3, and the smallest integer that can achieve this is 3.
Thus, the smallest positive integer y such that the product xy is a perfect cube is 3.
The question is: A number x is equal to [tex]$7\cdot24\cdot48$[/tex]. What is the smallest positive integer y such that the product xy is a perfect cube
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A human organism developing in the uterus from the ninth week until birth is called a (n) ____________.`
A human organism developing in the uterus from the ninth week until birth is called a(n) fetus.
A fetus is the term used to describe a human organism that is developing in the uterus from the ninth week of gestation until birth. During this time, the fetus undergoes significant growth and development, as all of the major organs and body systems are formed and begin to function.
The ninth week of gestation is considered a significant milestone in fetal development, as most of the critical stages of organogenesis have been completed by this time. From this point onward, the fetus primarily grows and matures in preparation for life outside of the womb.
During the remaining weeks of gestation, the fetus undergoes a number of important developmental processes, including continued brain development, growth of the nervous system, and development of the lungs and other vital organs. At the same time, the fetus also gains weight and size, and begins to develop a layer of fat that will help to regulate body temperature after birth.
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a spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.3 cm/min. at what rate is the volume of the snowball decreasing when the diameter is 12 cm.
The rate of decrease in volume of the snowball when its diameter is 12 cm is approximately 1.36 cm³/min.
When a spherical snowball is melting, it's diameter decreases at a rate of 0.3 cm/min. The rate of change of volume of a sphere is given by:dV/dt= (4π/3)r²(dr/dt)Since the diameter is given as 12 cm, the radius of the snowball is 6 cm.So the diameter is decreasing at a rate of 0.3 cm/min.
We are to find the rate of decrease in volume of the snowball when the diameter is 12 cm.The radius of the snowball is given by r = 6 cm, and the rate of change of its diameter is d = -0.3 cm/min.At this point, we need to calculate the rate of decrease in volume of the snowball when the diameter is 12 cm.
The rate of decrease in volume of the snowball is given bydV/dt = (4π/3)r²(dr/dt)dV/dt = (4π/3)(6 cm)²(-0.3 cm/min)≈ -1.36 cm³/minTherefore, the rate of decrease in volume of the snowball when the diameter is 12 cm is approximately -1.36 cm³/min.
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. cards are dealt from a standard shuffled deck of cards until the first ace is drawn. what is the chance that the next card is a king?
Cards are dealt from a standard shuffled deck of cards until the first ace is drawn. So the chance that the next card is a king is 0.05 percent.
When drawing a card from a standard deck of 52 cards, the chance of drawing an ace is 4/52 or 1/13. After an ace has been drawn, there are 51 cards left in the deck, and 4 of them are kings.
So, the probability of drawing an ace and then a king is
(1/13) × (4/51) = 4/663.
There are 4 different aces that could be drawn, each with the same probability of
(1/13) × (4/51) = 4/663,
So we multiply by 4 to account for all the possible aces that could be drawn.
Therefore, the total probability of drawing an ace and then a king is
(4/663) × 4 = 16/663.
Once an ace has been drawn, there are 51 cards remaining in the deck, and only one of them is a king. Therefore, the probability of drawing a king after an ace has been drawn is 1/51.
The probability that the next card is a king after the first ace is drawn is thus:
(16/663) × (1/51) = 16/33663
= 1/2104.
This simplifies to 0.0475 percent or approximately 0.05 percent.
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please help me im begging (ignore the cat hair)
Step-by-step explanation:
The circumference of a circle is given by the formula:
C = πd
where d is the diameter of the circle and π is a mathematical constant approximately equal to 3.14159.
In this case, the diameter of the circle is 58, so we can substitute this value into the formula:
C = πd
C = π(58)
C ≈ 182.09
Therefore, the circumference of the circle with diameter 58 is approximately 182.09 units. Note that the units of measurement were not specified in the question, so the units of the answer will depend on the units used for the diameter.
how do we ensure trigonometric functions compute values appropriately? what is the value of this expression?
We can ensure trigonometric functions compute values appropriately by validating the results against known values. In order to ensure that the argument is in a short interval surrounding a place where an approximation is highly accurate, one performs a range reduction prior to computing things like a cos or sin.
By comparing the results to established values, we can make sure trigonometric functions compute values correctly. As an example, if we wanted to validate the cosine of 45 degrees, we could compare the result to the known value of 0.707. If the computed value is within a small margin of error of the known value, then we can assume the trigonometric function is computing values appropriately.
In order to calculate functions like cos or sin, one must first perform a range reduction to make sure the input is inside a narrow range surrounding a point where an approximation is highly accurate. It is typically close to zero.
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In the diagram, m∠1=45° and m∠3=57.5°.
What is m∠4?
Enter your answer as a decimal in the box.
m∠4 =
°
Triangle with horizontal base. Interior angles labeled from left clockwise 1, 2, 3. Left side of the triangle is extended at angle 2 to create the exterior angle labeled 4.
M∠4 is therefore equivalent to 102.5 degrees as Angles 1 and 3 are the opposing interior angles .
what is angles ?Angles are geometric shapes created by two rays that have a similar terminus, or vertex. Often, the rays are depicted as straight lines with arrows pointing in the appropriate directions. Angles are expressed in degrees, with 360 degrees being a full circle. Angles that are less than 90 degrees are referred to as acute angles, those that are precisely 90 degrees are referred to as right angles, those that are between 90 and 180 degrees are referred to as obtuse angles, and those that are exactly 180 degrees are referred to as straight angles.
given
Angles 1 and 3 are the opposing interior angles in this case, and the exterior angle 4 of a triangle is equal to the total of these angles. We thus have:
m∠4 = m∠1 + m∠3\sm∠4 = 45° + 57.5°
m∠4 = 102.5°
M∠4 is therefore equivalent to 102.5 degrees as Angles 1 and 3 are the opposing interior angles .
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A penny is 19 mm wide. What is the area of the front side of the penny? Use 3.14 for π. Round to the nearest hundredth if necessary.
HELP ME QUICK PLEASE!
Answer:
≈283,39 mm^2
Step-by-step explanation:
The diameter is 19 mm, so the radius is half diameter (9,5 mm)
[tex]a = \pi \times {r}^{2} = 3.14 \times {9.5}^{2} = 3.14 \times 90.25 ≈ 283.39[/tex]
Which choice would transform the pre-image to the composite image? Make sure the letter for each vertex matches! Select one: a. Reflect across the y-axis and translate 4 down and three left. b. Rotate 180° and reflect across the x-axis. c. Rotate 90° and translate 4 up and 3 right. d. Reflect across the x-axis and translate up 4 and right 3.
d. Reflect across the x-axis and translate up 4 and right 3, this transforms the pre-image to the composite image.
What is composite image?
A composite image is the result of applying multiple transformations to a given pre-image. It is formed by first applying one transformation to the pre-image and then applying another transformation to the resulting image, and so on. The final result is the composite image.
Let's analyze the given options:
a. Reflect across the y-axis and translate 4 down and three left.
This transformation would reflect the pre-image across the y-axis, which would change the signs of the x-coordinates, and then translate it 4 units down and 3 units left. However, this transformation would not result in the composite image provided.
b. Rotate 180° and reflect across the x-axis.
This transformation would rotate the pre-image 180 degrees counterclockwise around the origin, which would change the signs of both the x and y-coordinates, and then reflect it across the x-axis. This transformation would not result in the composite image provided.
c. Rotate 90° and translate 4 up and 3 right.
This transformation would rotate the pre-image 90 degrees counterclockwise around the origin, which would swap the x and y-coordinates and negate the new x-coordinate, and then translate it 4 units up and 3 units right. This transformation would not result in the composite image provided.
d. Reflect across the x-axis and translate up 4 and right 3.
This transformation would reflect the pre-image across the x-axis, which would change the signs of the y-coordinates, and then translate it 4 units up and 3 units right. This transformation would result in the composite image provided.
Therefore, the correct answer is d. Reflect across the x-axis and translate up 4 and right 3.
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pls help
find the area of the composite figure.
Answer:
area=188
Step-by-step explanation:
12×14=168 for the area of the rectangle
2×10=20
20÷2=10 for the area of triangle
168+10+10=188
area=188
DUE IN 5 HOURS HELP!
The graph below shows a company's profit f(x), in dollars, depending on the price of goods x, in dollars, being sold by the company:
Part A: What do the x-intercepts and maximum value of the graph represent in context of the described situation?
Part B: What are the intervals where the function is increasing and decreasing, and what do they represent about the sale and profit for the company in the situation described?
Part C: What is an approximate average rate of change of the graph from x = 1 to x = 3, and what does this rate represent in context of the described situation?
Answer:
Step-by-step explanation:
Credits : sqdancefan (Brainly.com)
I changed some of it myself :)
Answer:
A) intercept: 0 profit : Maximum(max) : max profit. increasing x <4 ; decreasing x > 4
B) average slope: ≈50, about $50 increasing profit for each $1 increasing in price.
Step-by-step explanation:
A) The vertical axis of the graph represents profit, so the x-intercepts represent prices in the produce 0 profit. The maximum value of the graph is the maximum profit that can be obtained for anyprice
The higher or largest number of the chart is the maximum reach
B) We read the value of f(1) from the graph to be about 120, so the average rate of change is about ...
(f(4) -f(1))/(4 -1) = (270 -120)/(3) = 50
The average rate of the change from x = 1 to x = 4 is about 50.* This means profit will increase on average $50 for each $1 increase in price in what interval.
______
* if we take the peak profit to be $270 we can write f(x) as ...
f(x) 16.875x(x-8)
Then f(1) = 118.15 ad average rate if changed is 50.625. For the purpose here, we judge the extra precision to be pointless
There are 35 counters in a bag the ratio of red to blue counters is 2:5 there are 9 more blue counters the rest are green how many green counters are there?
there are 6 red counters, 24 blue counters, and 5 green counters in the bag, based on the given information. The given information provides us with the ratio of red to blue counters in a bag, which is 2:5. This means that for every 2 red counters in the bag, there are 5 blue counters.
Let the number of red counters in the bag be 2x, where x is a constant. Then, the number of blue counters in the bag is 5x. We are also given that there are 9 more blue counters than before, so the new number of blue counters is 5x + 9.
We know that there are 35 counters in total, so we can write an equation based on this information:
2x + 5x + 5x + 9 = 35
Simplifying this equation, we get:
12x + 9 = 35
Subtracting 9 from both sides, we get:
12x = 26
Dividing both sides by 12, we get:
x = 2.1667
Since we cannot have a fraction of a counter, we can round x up to 3.
Therefore, the number of red counters in the bag is 2x = 2(3) = 6, and the number of blue counters in the bag is 5x + 9 = 5(3) + 9 = 24.
Finally, we can find the number of green counters in the bag by subtracting the number of red and blue counters from the total number of counters:
35 - 6 - 24 = 5
So there are 5 green counters in the bag.
In summary, there are 6 red counters, 24 blue counters, and 5 green counters in the bag, based on the given information.
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use excel to find the critical value of z for each hypothesis test. (negative values should be indicated by a minus sign. round your answers to 3 decimal places.) (a) 2 percent level of significance, two-tailed test.
The critical value of z for each hypothesis test is 2.326
In this question, we are asked to use Excel to find the critical value of z for each hypothesis test. We are given a 2 percent level of significance for a two-tailed test. To find the critical value, we can use the NORM.S.INV function in Excel. The syntax for this function is =NORM.S.INV(probability).
We can enter the probability as 1 - (alpha / 2) for a two-tailed test, where alpha is the level of significance. We can then round the result to three decimal places.
To find the critical value for a 2 percent level of significance, two-tailed test, we can follow these steps:
Step 1: Calculate the value of alpha
Alpha = 2% = 0.02
Step 2: Calculate
1 - (alpha / 2)1 - (alpha / 2)
= 1 - (0.02 / 2)
= 0.99
Step 3: Use the NORM.S.INV function in Excel=NORM.S.INV(0.99)
This gives us a critical value of z = 2.326.
Therefore, the critical value of z for the hypothesis test with a 2 percent level of significance and a two-tailed test is 2.326.
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Describe each number at least one other way. A)35. 8 million
b)115. 2 thousands
c)97. 8 ten millions
A) 35. 8 million; thirty-five million eight hundred thousand, or thirty-five million eight hundred thousand dollars ,(b)115. 2 thousand; one hundred and fifteen thousand two hundred.(c) 97.8 million eight hundred thousand; 97.8 million eight hundred thousand. or 978 million.
What significance do numbers have?
We need good numeracy skills as parents to assist our children to develop, as patients to grasp healthcare information, and so as politicians to make sense of numbers and economic news. Selections in life were frequently based upon numerical data; in order to arrive at optimal decisions, we must be good at maths.
How are numbers used in everyday life?
Numbers are utilized in a variety of mathematical operations such as summation, subtraction, multiplication, division, percentage, and so on, that we employ in the everyday companies and exchanges. Quantities are numerical symbols representing integers that may be used for numbering, estimating, and doing other arithmetic operations.
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clark was asked to complete a self-administered questionnaire posted at mysurvey. what type of survey did clark complete?
Clark completed a self-administered questionnaire, which is also known as an online survey.
This type of survey is administered online and is completed by the participant (in this case, Clark) without the assistance of a researcher or interviewer. It can be delivered through an online form or through an email or online survey link.
The questionnaire typically includes multiple-choice questions, short-answer questions, and rating scales that the participant can answer with a click or tap. After the participant completes the survey, their answers are collected and analyzed by the researcher. This type of survey is a cost-effective and convenient way to collect data from a large number of people in a short amount of time.
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What is 3 - 5 written as a decimal (not a negative number)
Example: 1 - 5 = 0.2
I WILL GIVE BRAINIEST PLEASE HELP THIS IS SO CONFUSING!!!!!
Step-by-step explanation:
3/5 as a decimal is 0.6(explanation is given in your another question please check)
A sphere has a radius of 9in. the sphere is cut in half. what is the volume of each hemisphere. use 3.14 for pi and round to the hundredths if needed. Show work. PLEASE ANSWER IT
a librarian has 10 nonfiction and eight fiction books from which to choose the next three book club selections.what is the approximate probability that she chooses a fiction book, then a nonfiction book, then a fiction book?
The probability that a librarian chooses a fiction book, then a nonfiction book, then a fiction book is approximately 0.305.
The solution to this problem is a probability calculation.
To calculate the probability of selecting a fiction book, then a nonfiction book, then a fiction book from a selection of 10 nonfiction books and eight fiction books, we need to use the multiplication rule of probability.
The multiplication rule states that the probability of two or more independent events happening together is equal to the product of their individual probabilities.
To apply this rule, we'll break down the question into three events:
Probability of choosing a fiction book = 8/18 = 4/9
Probability of choosing a nonfiction book (after selecting a fiction book) = 10/17
Probability of choosing a fiction book (after selecting a nonfiction book) = 8/16 = 1/2
Now we can use the multiplication rule:4/9 * 10/17 * 1/2 = 0.305 (rounded to three decimal places)
Therefore, the approximate probability that the librarian will choose a fiction book, then a nonfiction book, then a fiction book is 0.305.
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when on a stem and leaf plot and it does not show a number on the right side and only on the right side what would the number be on the right?
When on a stem and leaf plot and it does not show a number on the right side and only on the right side, the number on the right side would be zero.
What is a stem and leaf plot?A stem and leaf plot is a method of organizing numerical data into groups. It is a visual representation of a dataset in which each value is separated into a stem and a leaf. A stem is the left-hand digit(s) of the value, while a leaf is the right-hand digit(s).
The stem and leaf plot contains two columns, one for the stem and the other for the leaf. The stem values are arranged vertically in the left-hand column, and the leaf values are arranged horizontally in the right-hand column. The leaf column should be read from left to right to extract the values.
When a value appears multiple times, its leaves are stacked on top of one another. The stem and leaf plot is an effective method for representing data, particularly when dealing with large datasets.
Hence, If a stem and leaf plot displays a number only on the left side and not on the right side, then the number on the right side would be interpreted as zero.
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m/4 = 5+m/5
Find the Value of m
Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. How far is the kite above the ground?
If Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. The kite is about 61 meters above the ground.
How to find the height?We can use trigonometry to solve the problem. Let's call the height of the kite above the ground "h".
Using trigonometry, we can write:
sin (70) = h / 65
Solving for h, we get:
h = 65 * sin(70)
h= 65 * 0.9397
h ≈ 61 meters
Therefore, the kite is about 61 meters above the ground.
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Is each triangle a right triangle? Explain.
The triangle shown in the image above that has sides 8, 24, and 25 is a right triangle because it satisfies the Pythagorean theorem.
How to Determine if a Triangle is a Right Triangle?A triangle with sides 8, 24, 25 is a right triangle.
This is because the sides satisfy the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the two shorter sides (the legs) is equal to the square of the longest side (the hypotenuse).
In this case, we have:
8² + 24² = 64 + 576 = 640
25² = 625
Since 8² + 24² = 25², the triangle satisfies the Pythagorean theorem, and is therefore a right triangle.
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Cady stamped 250 envelopes in 10 minutes . How many envelopes per minute did she stamp?
Answer:
25 Per Minute
Step-by-step explanation:
25 X 10 = 250
Hope This Helps! ^^
25 per minute
So if she stamped 250 envelopes in 10 minutes, we have to divide 250 by 10, which equals to 25!
Solve Systems of Equations
Y= 1/2x
3y= x-1
PLEASE HELP, DUE NOW
Which of the following equations represents a linear function?
y equals two thirds times x squared
x = 5
y equals negative one fourth times x plus 5
2x + 7 = 12
According to the question this equation represents a single point in the xy-plane, and does not have a constant rate of change. It doesn't have a linear function as a result.
Explain equation?When the roots and solutions of two equations match, they are said to be equivalent. The same number, symbols, or expression must be added to or subtracted from both the equation's two sides to produce an equivalent equation. By multiplying or dividing both sides of an equation by a nonzero number, we can also obtain an analogous equation.
Equation representing a linear function:
Y is equivalent to x plus 5 times the negative one-fourth.
Linear functions have a constant rate of change, which means that as x increases or decreases by a certain amount, y also changes by a constant amount. The equation y equals negative one fourth times x plus 5 has a constant slope of negative one fourth, which means that for every increase of one in x, y will decrease by one fourth. This is a characteristic of a linear function.
The equation y equals two thirds times x squared represents a quadratic function, which has a curved graph.
The equation x = 5 is a linear equation, but it only represents a vertical line passing through x = 5. It does not have a slope or a y-intercept, which are necessary for a linear function.
The equation 2x + 7 = 12 can be simplified to a linear equation of the form y = mx + b by solving for y:
2x + 7 = 12
2x = 5
x = 5/2
Substituting x = 5/2 back into the equation gives:
y = 2(5/2) + 7 = 12
This equation represents a single point in the xy-plane, and does not have a constant rate of change. Therefore, it is not a linear function.
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