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Precalculus

11/23/22

A a population shrinks from its initial level of 27,000 at a continuous decay rate of 6.9% per year By what percent does the population shrink each year?

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11/22/22

help needed with math problem

Find the absolute maximum and minimum values of f on the set D. f(x, y) = 2x3 + y4 + 2 D = (x, y) | x2 + y2 ≤ 1 I'm stuck on this problem. The answers are the absolute max value is 4 and the... more

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Precalculus

11/22/22

A painting sold for $264 in 1977 and was sold again in 1988 for $457. Assume that the growth in the value V of the collector's item was exponential

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Precalculus

11/22/22

Precalculus: Find the direction angle of...

Find the direction angle of...a) v=I + sqrt(3)jb) v=-5i-5j

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Precalculus

11/22/22

Precalculus: Find unit vector

FInd unit vector.a) v= -5i + 12jb) v= i-j

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Precalculus

11/22/22

Precalculus: Find solution

a) x^5=-ib) x^4=sqrt(3) - i

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Precalculus

11/22/22

Precalculus: Write each expression in x+iy form and re^(i theta) form

Write each expression in x+iy form and re^(i theta) form.a) [sqrt(3) (coś pi/18 +isin pi/18)]^6b) (1-sqrt(5)i)^8

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Precalculus

11/22/22

Pre-Calculus: Find z * w and z/w

Find z * w and z/w for problems a and b.a) z=1-i ; w=1-sqrt(3)ib) z=2(cos 2pi/9 + isin 2pi/9 ) w=4(cos pi/9 + isin pi/9)

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Precalculus Trigonometry

11/21/22

Find the missing values by solving a parallelogram.

Find the missing values by solving a parallelogram. (The lengths of the diagonals are given by c and d. Round your answers to two decimal places.)a=b=21c=42d=38𝜃= °𝜑=

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Precalculus

11/21/22

What is the price (in dollars) of the land per acre?

You want to buy a triangular lot measuring 1380 feet by 1840 feet by 2470 feet. The cost of the land is $62,000. What is the price (in dollars) of the land per acre? (Hint: 1 acre = 43,560 square... more

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Precalculus

11/21/22

A baseball card sold for $247 in 1979 and was sold again in 1988 for $467. Assume that the growth in the value V of the collector's item was exponential

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Precalculus

11/21/22

sin^-1(51pi/29) =

The angle 51π/29 radians is in quadrant I II III IV , so sin^−1(sin(51π/29))= radians,=

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Precalculus Math Test Preparation Calculus

11/21/22

Finding the image of a function based off the graph.

https://ibb.co/yXTX407 (the graph relating to the question)The question states: "The graph shows the curve of the function f(x) where Df = [-2,2]. Use the photo to work out the image of f"(The... more

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Precalculus Math Test Preparation Calculus

11/21/22

Find the local maxima and minima of a function.

The question states: "You are given the function f(x) = e^x(x+3). Find the local minima and maxima."The concept baffles me, and any explanation alongside the solution would be great.My rule... more

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Precalculus Math Test Preparation Calculus

11/21/22

Solving functions out from a graph - finding the image of a function - curve intervals

The question states: "The image below shows the curve of the function f(x) where Df = [-2,2]. Use the graph to answer the following questions: (I have linked said image)a) find the image of... more

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Precalculus Math Test Preparation Calculus

11/21/22

Solving functions out from a graph - finding the image of a function - curve intervals

The question states: "The image below shows the curve of the function f(x) where Df = [-2,2]. Use the graph to answer the following questions: (I have linked said image)a) find the image of... more

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Precalculus

11/21/22

compute arcsin(sin(-1))

Compute arcsin⁡(sin⁡(−1)). If the expression is undefined, enter DNE.(Note: Enter an exact answer and not a decimal approximation.)

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Precalculus

11/21/22

The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 252 people entered the park, and the admission fees collected totaled 628.00 dollars.

How many children and how many adults were admitted?Your answer isnumber of children equals number of adults equals

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Precalculus Calculus Differential Equations

11/21/22

If 21+𝑓(𝑥)+5𝑥2(𝑓(𝑥))3=0 and 𝑓(2)=−1, find 𝑓′(2).

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Precalculus

11/20/22

Math question system of linear equations

A chemist has three different acid solutions. The first acid solution contains 20% acid, the second contains 35% and the third contains 80%. They want to use all three solutions to obtain a mixture... more

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Precalculus

11/20/22

Math question system of linear equations

A chemist has three different acid solutions. The first acid solution contains 20% acid, the second contains 35% and the third contains 80%. They want to use all three solutions to obtain a mixture... more

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Precalculus Math Calculus

11/20/22

Function question - is a certain function continuous at a certain point (x=1)?

The question states the "The function is f(x) = (x²+x-2)/(x-1) if x > 1 and = x²+2 if x <= 1. Is the function continuous at x = 1?"The question is then followed by "Justify your argument by... more

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Precalculus

11/19/22

for the following problems let theta = 200 degrees,

for the following problems let theta = 200 degrees, and if cos theta = cos 200 = k, then find all the value of theta in the interval 0 <= theta <= 360 such that:cos theta = k

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Precalculus

11/19/22

find an equation for all tangent lines drawn to the graph f(x)= .5x^2 - 6x + 30 from the point (7,8)

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Precalculus

11/19/22

Enter an exact answer and not decimal approx.

Note: Enter an exact answer and not a decimal approximation.If there is no answer type "DNE".6tan^−1⁡(6x)=32π:x= −2sin^−1⁡(8x)=2/3π:x= −6sin^−1⁡(4x)=3/2π:x= −2tan^−1⁡(−6x)=−4π:x=

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A a population shrinks from its initial level of 27,000 at a continuous decay rate of 6.9% per year By what percent does the population shrink each year?

help needed with math problem

A painting sold for $264 in 1977 and was sold again in 1988 for $457. Assume that the growth in the value V of the collector's item was exponential

Precalculus: Find the direction angle of...

Precalculus: Find unit vector

Precalculus: Find solution

Precalculus: Write each expression in x+iy form and re^(i theta) form

Pre-Calculus: Find z * w and z/w

Find the missing values by solving a parallelogram.

What is the price (in dollars) of the land per acre?

A baseball card sold for $247 in 1979 and was sold again in 1988 for $467. Assume that the growth in the value V of the collector's item was exponential

sin^-1(51pi/29) =

Finding the image of a function based off the graph.

Find the local maxima and minima of a function.

Solving functions out from a graph - finding the image of a function - curve intervals

Solving functions out from a graph - finding the image of a function - curve intervals

compute arcsin(sin(-1))

The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 252 people entered the park, and the admission fees collected totaled 628.00 dollars.

If 21+𝑓(𝑥)+5𝑥2(𝑓(𝑥))3=0 and 𝑓(2)=−1, find 𝑓′(2).

Math question system of linear equations

Math question system of linear equations

Function question - is a certain function continuous at a certain point (x=1)?

for the following problems let theta = 200 degrees,

find an equation for all tangent lines drawn to the graph f(x)= .5x^2 - 6x + 30 from the point (7,8)

Enter an exact answer and not decimal approx.

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