How can you isolate the variable f

The required manager should charge $1600 for one-bedroom units and $2250 for two-bedroom units to maximize revenue.

Let x be the number of $20 increases in the price of a one-bedroom unit, and y be the number of $60 increases in the price of a two-bedroom unit. Then the rental prices for one-bedroom and two-bedroom units can be expressed as:

One-bedroom price = $1200 + $20x

Two-bedroom price = $1800 + $60y

The total number of customers for one-bedroom units is 90 minus the number of customers lost due to the price increase, which is x. Similarly, the total number of customers for two-bedroom units is 100 minus the number of customers lost due to the price increase, which is 2y. Therefore, the total revenue can be expressed as:

Revenue = (90 - x) * ($1200 + $20x) + (100 - 2y) * ($1800 + $60y)

Expanding and simplifying this expression, we get:

Revenue = 216000 + 9600x - 240x² + 180000 + 108000y - 7200y²

Collecting like terms, we get:

Revenue = -240x² - 7200y² + 9600x + 108000y + 396000

To find the rental price that maximizes revenue, we need to find the values of x and y that maximize the revenue. We can do this by taking partial derivatives of the revenue function with respect to x and y and setting them equal to zero:

dRevenue/dx = -480x + 9600 = 0

dRevenue/dy = -14400y + 108000 = 0

Solving for x and y, we get:

x = 20

y = 7.5

Therefore, the rental prices that maximize revenue are:

One-bedroom price = $1200 + $20x = $1600

Two-bedroom price = $1800 + $60y = $2250

So the manager should charge $1600 for one-bedroom units and $2250 for two-bedroom units to maximize revenue.

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The conditional probability in this scenario is the probability of drawing a yellow marble on the second draw, given that the first marble drawn was red.

To calculate this conditional probability, we can use Bayes' theorem, which states that the probability of an event (in this case, drawing a yellow marble on the second draw) given some prior knowledge (in this case, that the first marble drawn was red) is equal to the probability of both events occurring (drawing a red marble first and a yellow marble second) divided by the probability of the prior event (drawing a red marble first).

The probability of drawing a red marble first is 3/7 since there are three red marbles out of a total of seven marbles in the bowl. Once a red marble is drawn, there are six marbles remaining, of which three are yellow. Therefore, the probability of drawing a yellow marble second, given that the first marble was red, is 3/6 or 1/2.

Putting this together, we can calculate the conditional probability as follows:

P(Yellow on Second Draw | Red on First Draw) = P(Red on First Draw and Yellow on Second Draw) / P(Red on First Draw)
= (3/7) * (3/6) / (3/7)
= 1/2

Therefore, the conditional probability in this scenario is 1/2 or 50%. This means that there is a 50% chance of drawing a yellow marble on the second draw, given that the first marble drawn was red.

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So if she bought a total of $8 worth that means there is more than one possibility but it says apples and bananas total but I’m gonna do more than that

For a total of $8 she could by 16 bananas and 0 apples

For $8 she could by 8 apples and zero bananas

For $8 she could by 4 apples and 8 bananas

Two bodies can have the same resistance or charge/potential ratio, but still have different potentials, resulting in the flow of current between them.

The correct answer is C) potential.

When two bodies have the same potential, it means that the electric potential difference between them is zero. In this case, no work is required to move a charge from one body to the other, because the potential energy of the charge is the same on both bodies.

Since current is defined as the flow of electric charge, if there is no potential difference between two bodies, there will be no force driving the charges to move from one body to the other. Hence, no current will flow between the two bodies.

It is important to note that having the same resistance or charge/ potential ratio does not necessarily mean that no current will flow between two bodies. Resistance refers to the opposition to the flow of current, and the charge/ potential ratio is the charge per unit of electric potential. Therefore, two bodies can have the same resistance or charge/potential ratio, but still have different potentials, resulting in the flow of current between them.

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The area of the composite figure is 29 feet squared.

A five-sided figure with a flat top labelled 5 and one-half feet.  A height labelled 4 feet. The length of the entire image is 9 ft.

Therefore, the area of the composite figure can  be found as follows;

The figure can be divide into two shapes which are rectangle and a triangle.

Hence,

area of the composite figure = area of the rectangle + area of the triangle

area of the rectangle = 4 × 5.5 = 22 ft²

area of the triangle = 1 / 2 bh

where

area of the triangle = 1 / 2 × 4 × (9 - 5.5)

area of the triangle = 1 / 2 × 4 × 3.5

area of the triangle = 14 / 2

area of the triangle = 7 ft²

Therefore,

area of the composite figure = 22 + 7

area of the composite figure = 29 ft²

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The required probability is P(A and C) is 0.2 which is represented in the tree diagram.

Probability is defined as the possibility of an event being equal to the ratio of the number of favorable outcomes and the total number of outcomes.

The given tree diagram represents an experiment consisting of two trials.

The tree diagram represents an experiment consisting of two trials. In this case, the probability of event A and event C occurring is represented by the intersection of branches A and C in the tree diagram.

This probability can be calculated by multiplying the probability of each individual event together.

As per the given question, we have

P(A) = 0.5

P(C|A) = 0.4

So, P(A and C) = 0.5 × 0.4 = 0.2

Thus, the required probability is P(A and C) is 0.2

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The common difference in the arithmetic sequence is 8.

To find the common difference in the arithmetic sequence, we can use the formula:

An = A1 + (n-1)d

Where An is the nth term, A1 is the first term, n is the position of the term, and d is the common difference.

We are given the 6th term (35) and the 41st term (315). We can set up two equations using the formula:

35 = A1 + 5d (1) (6th term)
315 = A1 + 40d (2) (41st term)

Subtract equation (1) from equation (2) to eliminate A1:

315 - 35 = (A1 + 40d) - (A1 + 5d)
280 = 35d

Now, solve for the common difference (d):

d = 280 / 35
d = 8

The common difference in the arithmetic sequence is 8.

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The expression that represent the length of the rope is 10 / cos 40° =  13.1 feet

A 12-foot pole is supporting a tent and has a rope attached to the top. The rope is pulled straight and the other end is attached to a peg two foot above the ground.

This situation forms a right angle triangle. Therefore, let's find the expression that shows the length of the rope using trigonometric ratios.

Hence,

cos 40 = adjacent / hypotenuse

adjacent side = 10 ft

Therefore,

cos 40° = 10 / x

where

cross multiply

x = 10 / cos 40°

x = 10 / 0.76604444311

x = 13.0548302872

x = 13.1 feet

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To show that the functions f(x) = x, g(x) = x - 1, and h(x) = x + 3 are linearly dependent, we need to find a non-zero linear combination of the three functions that equals zero.

Let's assume that a, b, and c are constants such that:

a*f(x) + b*g(x) + c*h(x) = 0

Substituting in the given functions, we get:

a*x + b*(x - 1) + c*(x + 3) = 0

Simplifying this equation, we get:

(a + b + c) * x + (-b + 3c) = 0

For this equation to hold true for all x, we must have:

a + b + c = 0

-b + 3c = 0

This is a system of two equations with three unknowns, which means that we have infinitely many solutions. For example, we could choose a = 1, b = -2, and c = 1, and the equation would hold true. Therefore, we have shown that the functions f(x) = x, g(x) = x - 1, and h(x) = x + 3 are linearly dependent.

Now, let's show that the functions f(x) = x^2, g(x) = x - 1, and h(x) = x + 3 are linearly independent.

We need to show that there are no non-zero constants a, b, and c such that:

a*f(x) + b*g(x) + c*h(x) = 0

Substituting in the given functions, we get:

a*x^2 + b*(x - 1) + c*(x + 3) = 0

This equation holds true for all x if and only if its coefficients are all zero. Therefore, we need to solve the system of three equations:

a = 0

-b + c = 0

3c = 0

The first equation tells us that a must be zero. The third equation tells us that c must be zero. Substituting c = 0 into the second equation, we get:

-b = 0

Therefore, we must have b = 0 as well.

Since a, b, and c are all zero, we have shown that the functions f(x) = x^2, g(x) = x - 1, and h(x) = x + 3 are linearly independent.

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This is a two-tailed test, and the P-value associated with this situation is between 0.05 and 0.1.

The t-test analysis for the mean lifetime of pond flies.

(1) To determine if this is a right-tailed, left-tailed, or two-tailed test, we need to consider the hypothesis being tested. In this case, the biologist wants to know if the mean lifetime for all pond flies of a particular type is 24.6 days.

The null hypothesis (H0) would be that the mean lifetime is equal to 24.6 days (μ = 24.6), while the alternative hypothesis (H1) would be that the mean lifetime is not equal to 24.6 days (μ ≠ 24.6).

Since the alternative hypothesis is testing for a difference in either direction, this would be a two-tailed test.

(2) To find the P-value, we need to consult the t-table using the test statistic, t = 2.025, and the degrees of freedom, which is calculated as (sample size - 1) or (38 - 1) = 37. Looking up these values in the t-table, you'll find that the P-value lies between 0.025 and 0.05. Since this is a two-tailed test, you should multiply the value by 2, giving you a final P-value range between 0.05 and 0.1.

Your answer: This is a two-tailed test, and the P-value associated with this situation is between 0.05 and 0.1.

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After 10 rolls, we won 3 times and lost 7 times, and we have $11 left.

The probability distribution for this game is:

Outcome Probability

Lose 2/3

Win $2 1/6

Win $5 1/6

It should be noted that to calculate the anticipated value, multiply the likelihood of each scenario by its payment and add them together:

E(X) = (2/3) * (-1) + (1/6) * 2 + (1/6) * 5 = -2/3 + 1/3 + 5/6 = 1/2

As a result, the expected value of this game is $0.50. This indicates that if you play it frequently, you can expect to win $0.50 each game on average. However, you could win or lose money in any particular game.

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The number we're looking for is 7.

Let's call the number we're looking for "x". According to the problem, the square of the number is 42 more than the number itself. In equation form, this can be written as:

[tex]x^2[/tex] = x + 42

To solve for x, we want to get all the terms on one side of the equation. We can start by subtracting x + 42 from both sides:

[tex]x^2[/tex] - x - 42 = 0

Now we have a quadratic equation. We can solve it by factoring or by using the quadratic formula. Let's use factoring. We want to find two numbers that multiply to -42 and add up to -1 (since the coefficient of x is -1). One possible pair of numbers is -7 and 6, since -7 × 6 = -42 and -7 + 6 = -1. So we can rewrite the equation as:

(x - 7)(x + 6) = 0

This tells us that either x - 7 = 0 or x + 6 = 0. Solving for x in each case, we get:x = 7 or x = -6

We're looking for a positive number, so the solution is x = 7. Therefore, the number we're looking for is 7.

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Answer:

Step-by-step explanation:

i dont know how to do this help me  im on a test and cant do this

the answer to your math question is S = {green, blue, yellow, orange, purple, red}

The area of the window is 2122.64 ft².

Given that a window has a diameter of 26 feet, we need to find the area of the window,

Since, the window is circular so the area will be = π × radius²

= 3.14 × 26²

= 2122.64 ft²

Hence, the area of the window is 2122.64 ft².

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Answer:

[tex]m=\frac{-5}{3}[/tex]

Step-by-step explanation:

We want to find the slope between the points (-2,5) and (1,0).

The slope (m) can be found using the formula [tex]\frac{y_2-y_1}{x_2-x_1}[/tex], where [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex] are points.

We are already given the values of the points, but let's label their values to avoid any confusion and mistakes.

[tex]x_1=-2\\y_1=5\\x_2=1\\y_2=0[/tex]

Now, substitute into the formula.

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]m=\frac{0-5}{1--2}[/tex]

Simplify this to:

[tex]m=\frac{0-5}{1+2}[/tex]

[tex]m=\frac{-5}{3}[/tex]

The slope is -5/3.

The price when x = 12 is 80 dollars.

The elasticity of demand, according to the given conditions,  when x = 12 is 0.0625

To compute the price, p, when x = 12, we plug in x = 12 into the demand function P = 5(x + 4) "4:

P = 5(12 + 4) "4
P = 80

So the price when x = 12 is 80 dollars.

To compute the rate of change of demand with respect to price, p, we use implicit differentiation. Differentiating both sides of the demand function P = 5(x + 4) "4 with respect to p, we get:

dP/dp = 5(dx/dp)

Solving for dx/dp, we get:

dx/dp = (dP/dp) / 5

We know that dP/dx = 5, since that is the coefficient of x in the demand function. So when x = 12, we have:

dP/dx = 5
dP/dp = (dP/dx)(dx/dp) = 5(dx/dp)

Substituting in dP/dp = -15 (since we want the rate of change of demand with respect to price, not quantity), we get:

-15 = 5(dx/dp)
dx/dp = -3

So the rate of change of demand with respect to price, when x = 12, is -3 thousand units per dollar.

To compute the elasticity of demand when x = 12, we use the formula:

Elasticity of Demand = (% change in quantity demanded) / (% change in price)

We can find the % change in quantity demanded by using the derivative of the demand function. We have:

P = 5(x + 4) "4
dP/dx = 5
dP/dx = 5(x + 4)"5(dx/dx) = 5(12 + 4)"5(dx/dx)
dx/dx = (dP/dx) / (5(x + 4)"5) = 1 / (x + 4)"5

So when x = 12, we have:

dx/dx = 1 / (12 + 4)"5 = 1/16

This means that a 1% increase in quantity demanded corresponds to a 1/16% increase in x. Similarly, a 1% decrease in quantity demanded corresponds to a 1/16% decrease in x.

To find the % change in price, we can use the fact that the demand function is:

P = 5(x + 4) "4

This means that a 1% increase in price corresponds to a 1% increase in P, since there are no other variables involved in the equation. Similarly, a 1% decrease in price corresponds to a 1% decrease in P.

So we have:

% change in quantity demanded = 1/16%
% change in price = 1%

Plugging these into the formula for elasticity of demand, we get:

Elasticity of Demand = (% change in quantity demanded) / (% change in price)
Elasticity of Demand = (1/16%) / (1%)
Elasticity of Demand = 1/16

So the elasticity of demand when x = 12 is 1/16 or 0.0625.

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Answer:

las cañaverales son extenso y hay numerosos

The null hypothesis, H0, is that the proportion of students who commute more than 15 miles to school is equal to or less than 25%. The alternative hypothesis, H1, is that the proportion is greater than 25%.

H0: Proportion of students who commute more than 15 miles to school ≤ 25%
H1: Proportion of students who commute more than 15 miles to school > 25%
In this hypothesis test, we will be using the following terms:

- Null Hypothesis (H0): The proportion of students who commute more than 15 miles to school is equal to 25%.
- Alternative Hypothesis (H1): The proportion of students who commute more than 15 miles to school is greater than 25%.

To restate the hypotheses:

H0: p = 0.25
H1: p > 0.25

Here, p represents the proportion of students who commute more than 15 miles to school.

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Given SV = 15, UV = 30, and RS = 55, we found TV by using the fact that triangles TRU and SUC are similar. The length of TV is 110.

In the given diagram, we have a triangle TRS with a line UV that is parallel to the base RS. We are given that SV = 15, UV = 30, and RS = 55, and we need to find the length of TV.

To find TV, we can use the fact that UV is parallel to RS, which means that triangles TRU and SUV are similar.

Using the similarity of triangles TRU and SUC, we can set up the following proportion

TV / RS = UV / SV

Substituting the given values

TV / 55 = 30 / 15

Simplifying

TV / 55 = 2

Multiplying both sides by 55

TV = 110

Therefore, the length of TV is 110.

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The answer is

(-x-6i)(x-6i)

In this regression analysis, the letter b in the equation y = a + bx represents the estimate of the cost for an additional customer visit. This means that for every additional customer visit to the store, the expected increase in monthly total costs is $2.08, according to the regression model.

The letter x in the regression equation represents the observed customer visits for a given month. This means that the regression model is predicting the monthly total costs based on the number of customer visits in that month.

The R2 value of 0.8681 means that 86.81% of the total variance in the monthly total costs can be explained by the regression equation, which indicates a strong relationship between the number of customer visits and the total costs. This can help managers of Brewsky's make informed decisions about how to allocate resources and improve profitability. However, it is important to note that other factors may also influence the costs, and the regression model may not capture all of these factors.

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The value of x - intercepts are,

⇒ x = ±√5, 0, 0

We have to given that;

The function is,

⇒ f (x) = x⁴ - 5x²

Now, We can find the value of x - intercept as;

⇒ f (x) = x⁴ - 5x²

Plug f (x) = 0

⇒ 0 = x⁴ - 5x²

⇒ x² (x² - 5) = 0

⇒ x² = 0

⇒ x = 0, 0

And, x² - 5 = 0

⇒ x² = 5

⇒ x = ±√5

Thus, The value of x - intercepts are,

⇒ x = ±√5, 0, 0

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Answer:

C

Step-by-step explanation:

edge 2023

The perimeter of the outer square in red  is: 320 cm

The perimeter of a square is defined by the formuls:

P = 4 * side length

Now, we are told that each of the internal 4 squares have a perimeter of 160 cm.

Thus:

160 = 4 * side length

side length = 160/4

side length = 40 cm

Now, this means that the side length of the outer square in red is:

Side length = 2 * 40

= 80 cm

Thus:

Perimeter of outer square in red = 4 * 80

= 320 cm

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Answer:

Find the mean x of the data 16, 31, 38, 24, 36

16 + 31 + 38 + 24 + 36

= 145

145 ÷ 5

Step-by-step explanation:

You're welcome.

The common ratio is 1.25. An explicit rule for the geometric sequence is  f(n) = 300(1.25)ⁿ⁻¹ . The value of f(12) is 5,722.05.

To find the common ratio of the sequence, we need to divide each term by the previous term. For example, to find the common ratio between the first two terms:

375/300 = 1.25

Similarly, we can find the common ratio between the second and third terms:

468.75/375 = 1.25

And the common ratio between the third and fourth terms:

585.9375/468.75 = 1.25

Since the common ratio is the same for each pair of adjacent terms, we can conclude that the explicit rule for the geometric sequence is:

f(n) = 300(1.25)ⁿ⁻¹

To find f(12), we can simply substitute 12 for n in the formula:

f(12) = 300(1.25)¹²⁻¹

f(12) = 300(1.25)¹¹

f(12) = 300(19.0735)

f(12) = 5,722.05

Therefore, f(12) is 5,722.05.

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If you provide more values than the size of the array, you'll get a compilation error.

In C or C++ programming languages, an array can be declared, created, and initialized in a single statement. Here's how you can declare, create, and initialize an array named a of 10 elements of type int with the values of the elements (starting with the first) set to 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100, respectively:

int a[10] = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100};

This statement does the following:

Declares an array named a of 10 elements of type int.

Initializes the elements of the array with the specified values in the curly braces, starting from the first element.

Note that if you don't provide enough values in the curly braces, the remaining elements will be initialized to 0. If you provide more values than the size of the array, you'll get a compilation error.

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The absolute minimum and absolute maximum values of the function f(x) = 3x^4 - 4x^3 - 36x^2 on the interval [-3, 5] are -283 and 81, respectively. To get the absolute minimum and absolute maximum values of the function f(x) = 3x^4 - 4x^3 - 36x^2 on the interval [-3, 5].

Step 1: Find the critical points by taking the derivative of the function and setting it equal to zero.
f'(x) = 12x^3 - 12x^2 - 72x
Step 2: Factor the derivative.
f'(x) = 12x(x^2 - x - 6)
Step 3: Solve for x to find the critical points.
x = 0, x = -1, x = 6
Step 4: Evaluate the function at the critical points and endpoints of the interval.
f(-3) = 81
f(0) = 0
f(-1) = 43
f(5) = -283
Step 5: Identify the absolute minimum and absolute maximum values.
The absolute minimum value of f(x) is -283 at x = 5.
The absolute maximum value of f(x) is 81 at x = -3.
So, the absolute minimum and absolute maximum values of the function f(x) = 3x^4 - 4x^3 - 36x^2 on the interval [-3, 5] are -283 and 81, respectively.

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(a) 40,475,358.

(b) 330
(c) 0.0008%.

(a) To find |S|, the total number of sets of 7 distinct numbers a player can choose, we need to find the combinations of choosing 7 numbers from the 80 available options. This can be calculated using the combination formula:

C(n, k) = n! / (k! * (n - k)!)

In this case, n = 80 (total numbers) and k = 7 (numbers to choose). So, |S| = C(80, 7):

|S| = 80! / (7! * (80 - 7)!)
|S| = 80! / (7! * 73!)

(b) To find |E|, the number of sets where all 7 numbers chosen by the player are in the winning set of 11 numbers chosen by the organizers, we need to find the combinations of choosing 7 numbers from the 11 available options in the winning set:

|E| = C(11, 7)
|E| = 11! / (7! * (11 - 7)!)
|E| = 11! / (7! * 4!)

(c) To find the probability of winning, we need to calculate the ratio of the favorable outcomes (|E|) to the total possible outcomes (|S|):

P(winning) = |E| / |S|

P(winning) = (11! / (7! * 4!)) / (80! / (7! * 73!))

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SSS (Side-Side-Side) Postulate: Two triangles are congruent if the three sides of one triangle are equal to the three corresponding sides of the other triangle.

SAS (Side-Angle-Side) Postulate: Two triangles are congruent if two sides and the included angle of one triangle are equal to the two corresponding sides and included angle of the other triangle.

To use the SSS or SAS postulate, you must show that all three corresponding sides or two sides and the included angle are equal, respectively. When you have proved that the two triangles are congruent, you can use the congruence statements and CPCTC (Corresponding Parts of Congruent Triangles are Congruent) to prove other properties of the triangles.

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The first-order and the second-order Taylor formula for f(x, y) = 17e(x+y) at (0,0) is f(x,y) = 17 + 17x + 17y + (17/2)x² + 17xy + (17/2)y²

The first-order Taylor formula for f(x,y) = 17[tex]e^{(x+y)}[/tex] at (0,0) is:

f(x,y) ≈ f(0,0) + ∇f(0,0) · (x,y)

≈ 17[tex]e^{(0+0)}[/tex] + (∂f/∂x, ∂f/∂y)(0,0) · (x,y)

≈ 17 + (17,17) · (x,y)

≈ 17 + 17x + 17y

The second-order Taylor formula for f(x,y) = 17[tex]e^{(x+y)}[/tex] at (0,0) is:

f(x,y) ≈ f(0,0) + ∇f(0,0) · (x,y) + (1/2)(x,y) · Hf(0,0) · (x,y)

≈ 17 + (17,17) · (x,y) + (1/2)(x,y) · ( ∂²f/∂x² ∂²f/∂x∂y ; ∂²f/∂y∂x ∂²f/∂y² ) (0,0) · (x,y)

≈ 17 + 17x + 17y + (1/2)(x,y) · (17 17 ; 17 17) · (x,y)

≈ 17 + 17x + 17y + (1/2)(17x² + 34xy + 17y²)

≈ 17 + 17x + 17y + (17/2)x² + 17xy + (17/2)y²

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