Newest precalculus Questions | Wyzant Ask An Expert

01/05/23

if c(x)=x^3-2x and d(x)=4x^2-6x+8, find the value of 3c(a-4)+3d(a+5)

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Precalculus Math Calculus

01/02/23

Need help on these problems...

Hi, I am having some difficulty with this problem. I am given that cos θ= -2/5 , and that π/2 < θ < π. I then need to use this information to evaluate cos 2θ and tan θ/2.I drew a triangle,... more

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Precalculus Math Calculus

01/02/23

How to confirm this is true?

I can only use: reciprocal identities quotient identities Pythagorean identities sum and difference formulas double angle formulas power reducing formulas half angle formulas product to sum... more

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Answers •3

Precalculus Algebra 2

12/29/22

Below are several different scenarios. Take distance units to be “feet” and time units to be “minutes.” Assume Dave’s path to Gould Hall is along a straight line which is 2400 feet long.

I. Dave leaves Padelford Hall and walks at a constant spend until he reaches Gould Hall 10 minutes later. On a sheet of paper, sketch a graph of this situation and use your graph to answer the... more

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Precalculus Algebra 2

12/29/22

Below are several different scenarios. Take distance units to be “feet” and time units to be “minutes.” Assume Dave’s path to Gould Hall is along a straight line which is 2400 feet long.

I. Dave leaves Padelford Hall and walks at a constant spend until he reaches Gould Hall 10 minutes later. On a sheet of paper, sketch a graph of this situation and use your graph to answer the... more

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Answers •1

Precalculus

12/29/22

I was confused specifically about what function I'm transforming in this equation

2. Identify the correct order in applying transformations to f(x) to obtain the graph of g(x)=−32f(−2x+1)+2.a. How do you know those are the correct steps?

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Precalculus

12/28/22

How would I do this problem regarding the order of transformations?

It takes five steps to do all the transformations that lead from y=sqrt(x) to y=-2sqrt(-3x) + 1. Sketch the five successive graphs of these transformations. a. List the equations of the 5 graphs... more

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Precalculus Math Calculus Linear Algebra

12/25/22

Calc FRQ 2 AP Practice Question

Consider the curve given by the equation y 2 – 2x 2y = 3. Show your work.a) Determine 𝑑𝑦/𝑑𝑥. b) Write an equation for the line tangent to the curve at the point (1, –1). c) Determine the... more

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Precalculus Math Calculus Linear Algebra

12/25/22

Calculus FRQ AP Practice Question

Water is flowing into and out of a small reservoir so that the total amount of water can be modeled by R, where 𝑅(𝑡) = 20 − 15sin( 𝑡^2/25) cubic feet, t is measured in hours, and 0 ≤ t ≤ 8. Show... more

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Precalculus Math

12/22/22

Solve the inequality:

|(x-3)/(2x-1)|>(3x+1)/(x-1)

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Precalculus

12/19/22

Temperature Precalc

Hi I have been having problems with making the equation. Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 69 degrees occurs at 4... more

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Precalculus

12/19/22

Precalc Problem

ferris wheel is 20 meters in diameter and boarded from a platform that is 2 meters above the ground. The six o'clock position on the ferris wheel is level with the loading platform. The wheel... more

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Precalculus

12/19/22

Find a possible formula for the trigonometric function whose values are in the following table.

x 0 4 8 12 16 20 24 y -1 -7 -1 5 -1 -7 -1 y =

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Precalculus

12/18/22

Show that: log √x with base of 1/√b = -logx with base b

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Precalculus Math Trigonometry

12/18/22

APPLICATION OF TRIANGLE TRIGONOMETRY

Mike and Jess were fighting when suddenly a bomb exploded between them. Due to the blast, Mike was thrown in the direction N33°E at 30 m/s while Jess was thrown on a course of 333° at 20 m/s. After... more

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Precalculus

12/17/22

Suppose a=8 b=8√3

a. If γ = 90°, solve the triangle.b. If c = 9(1 +√3), how many triangles can be formed? If there are none, explain why.Otherwise, solve the triangle/s.c. If α = 30° what are the possible values for... more

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Precalculus

12/17/22

CAN I GET A SOLUTION AND ANSWER TO THIS PROBLEM SET IN PRECALCULUS

Jane and Janella were fighting when suddenly a bomb exploded between them. Due to the blast, Jane was thrown in the direction N33°E at 30 m/s while Janella was thrown on a course of 333° at 20 m/s.... more

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Answers •1

Precalculus

12/17/22

If Jane flew 50 m/s towards Janella, how long can she reach her?

Jane and Janella were fighting when suddenly a bomb exploded between them. Due to the blast, Jane was thrown in the direction N33°E at 30 m/s while Janella was thrown on a course of 333° at 20 m/s.... more

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Answers •1

Precalculus Math Trigonometry

12/17/22

If Jane flew 50 m/s towards Janella, how long can she reach her?

Jane and Janella were fighting when suddenly a bomb exploded between them. Due to the blast, Jane was thrown in the direction N33°E at 30 m/s while Janella was thrown on a course of 333° at 20 m/s.... more

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Answers •1

Precalculus

12/17/22

If Jane flew 50 m/s towards Janella, how long can she reach her

If Jane flew 50 m/s towards Janella, how long can she reach herJane and Janella were fighting when suddenly a bomb exploded between them. Due to the blast, Jane was thrown in the direction N33◦E at... more

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Answers •1

Precalculus Calculus

12/16/22

What does the Second Derivative Test tell you about the behavior of f at these critical numbers?

From Part (a), we have two critical numbers: x = 0 and x = 15/4.At x = 0, f ---Select--- has a relative minimum value has a relative maximum value does not have a relative extremum value may or... more

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Precalculus

12/16/22

Expontential Growth word problem

A culture of cells is increasing according to the law of exponential growth. In the beginning, there were 150 cells. A scientist records that after 5 hours, there are 600 cells. Approximately how... more

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Precalculus

12/16/22

Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.)

r = 5.7%(a) annually yr(b) monthly yr(c) daily yr(d) continuously yr

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Precalculus

12/16/22

Construct a table of values for the function. (Round your answers to three decimal places.)

f(x) = 3e−1.3x x −2 −1 0 1 2 f(x)

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Precalculus

12/16/22

Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.)

r = 14%(a) annually yr(b) monthly yr(c) daily yr(d) continuously yr

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Answers •2

if c(x)=x^3-2x and d(x)=4x^2-6x+8, find the value of 3c(a-4)+3d(a+5)

Need help on these problems...

How to confirm this is true?

Below are several different scenarios. Take distance units to be “feet” and time units to be “minutes.” Assume Dave’s path to Gould Hall is along a straight line which is 2400 feet long.

Below are several different scenarios. Take distance units to be “feet” and time units to be “minutes.” Assume Dave’s path to Gould Hall is along a straight line which is 2400 feet long.

I was confused specifically about what function I'm transforming in this equation

How would I do this problem regarding the order of transformations?

Calc FRQ 2 AP Practice Question

Calculus FRQ AP Practice Question

Solve the inequality:

Temperature Precalc

Precalc Problem

Find a possible formula for the trigonometric function whose values are in the following table.

Show that: log √x with base of 1/√b = -logx with base b

APPLICATION OF TRIANGLE TRIGONOMETRY

Suppose a=8 b=8√3

CAN I GET A SOLUTION AND ANSWER TO THIS PROBLEM SET IN PRECALCULUS

If Jane flew 50 m/s towards Janella, how long can she reach her?

If Jane flew 50 m/s towards Janella, how long can she reach her?

If Jane flew 50 m/s towards Janella, how long can she reach her

What does the Second Derivative Test tell you about the behavior of f at these critical numbers?

Expontential Growth word problem

Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.)

Construct a table of values for the function. (Round your answers to three decimal places.)

Determine the time necessary for P dollars to double when it is invested at interest rate r compounded annually, monthly, daily, and continuously. (Round your answers to two decimal places.)

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