Newest Functions Questions | Wyzant Ask An Expert

05/25/15

What function gives the time (t) it takes the rider to finish the race in terms of (s)?

In a bike race, a rider covers a 5-mi flat stretch of road at a speed of (s) mi/h. She then doubles her speed down a hill 1 mi long. Finally, she reduces her downhill speed by 12 mi/h as she rides... more

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Functions Algebra 2 Functions And Domain

05/19/15

The domain of the function f(x) = 3x3 is {2, 5}. What is the function’s range?

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Functions Algebra 2 Input Outputs

05/19/15

What is the output of the function f(p) = 3p – 2 when the input is 2?

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Functions

05/18/15

for the function f(x)=x2-5x find the following f(0)

this is my first time doing functions can someone solve this one with steps please?

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Functions

05/18/15

for function f (x) =x2-5x find each of the following a. f(-2), b. f(1), c. f(-1), d.f(2), e. f(10)

I would like to see the steps I am lost on this one

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Functions

05/17/15

Suppose you have 80 ft of fence to enclose a rectangular garden. A=40x-x^2 gives you the area of the garden in square feet where x is the width in feet.

What width gives you the maximum gardening area? Please explain how you were able to solve this. Include an equation

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Functions

05/16/15

How to solve these?

Given that f(x) = √x+2 is a one-to-one function, find thefollowing: a. f(7) b. f-1(3) Do I plug the 7 and 3 into the x in the sqrt? I don't understand.

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Functions Linear Equations

05/16/15

ABC Printing Company charges a $10.00 service fee plus $.02 per copy. Write and evaluate a function rule to find the Total cost of printing 20 copies.

y = mx + b 10.00 service fee plus an additional .02 dollars per copy How much would it cost to print 20 copies

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Functions

05/12/15

f(x) = ^3vx + 3 find the function values

f(x) = ^3√x + 3 find the function values

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Functions Linear Models

05/11/15

what is the slope intercept form that contains the point (3,4) and has a slope of 2

What Is the slope intercept form of the point 3,4 and has a slope of 2

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Functions

05/09/15

Find the derivative of the function y=(-6x^10+70x-4)^6.

Find the derivative of the function y=(−6x10+70x−4)6. Select one6(−6x10+70x−4)5−10(−6x10+70x−4)6(6x9−7)−10(−6x10+70x−4)5(6x9−7)−60(−6x10+70x−4)5(6x9−7)−60(−6x10+70x−4)6(15x9+1)

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Functions Domain Quadratic Equations Math Help

04/29/15

Am I doing this function question correctly?

f(x) = x+4 / x^2 + x - 56 Find all values of x that are not in the domain of f. If there is more than one value, separate them with commas. I factored the quadratic into (x - 7) ( x +... more

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Functions

04/26/15

Find F(x) and G(x) such that h(x)=(f*g)(x)

Find F(x) and G(x) such that h(x)=(f*g)(x) h(x)=x^2-5/x^2+5

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Functions Quadratic Equations Math Help Thank You

04/25/15

Quadratic equations help please

the path of a soccer ball can be modelled by the function h(d)=-0.1d2+0.5d+0.6, where h is the height of the ball and d is the horizontal distance from the kicker, both in metre. a)what are the... more

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Functions Algebra 2 Functions Word Problem

04/22/15

Help with Algebraic Functions word problem.

Karen bakes cookies. She has observed that the number of cookies that turn out well in each batch varies with the size of the batch and is given by the function f(x) = 2x – 23, where x is the size... more

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Functions

04/19/15

If the two functions are inverses, which of the following statements correctly verifies this?

If the two functions are inverses, which of the following statements correctly verifies this?f(x)=(4x+12)/6and g(x)=(6x+12)/4A. g(f(x))=g(4x+12/6)=(6(4x+12/6)+12)/4=xB.... more

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Functions Trigonometric Identities Trigonometric Functions

04/19/15

y = 8 + 7 cos 3t + 7 cos 6t #function #trig

The vertical displacement of the end of a robot arm (in cm) at time t (in [16 marks]seconds) is given by y = 8 + 7 cos 3t + 7 cos 6t: (a) Find all times, t > 0, (in exact form i.e. in terms of... more

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Functions Algebra 2

04/14/15

Help with 1 variable input/output function table.

What is the input-output table for the function f(x)=3/x+4?

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Functions Equations Input

04/09/15

Write an equation that describes the function

6,9 4,6 2,3 0,0 2,3

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Functions Algebra 2 Algebra Functions Word Problem

04/09/15

Algebraic Functions help.

Bruce pitches for his little brother's baseball team. He has observed that the number of pitches a batter hits varies and is given by the functionf(x) = x – 11, where x is the number of pitches and... more

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Functions Algebra 1

04/06/15

If |a-b| = 5 and |a-c| = 3, which of the following could be the value of |b-c|?

I. 2 II. 4 III. 8 which combination and why?

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Functions Math Precalculus Word Problem

04/03/15

A house was bought in Vancouver in 1980 for $80,000. In 2010 the same house was worth $800,000.

A house was bought in Vancouver in 1980 for $80,000. In 2010 the same house was worth $800,000. (a) Assuming that the value of the house has grown exponentially,find the exponential growth... more

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Functions Function Zeros Zero Intercepts

04/03/15

Determine the value of k please help!! I have a math unit test on april 7th!

Determine the values of k for which the function f(x) = 4x^2 - 3x + 2kx +1 has two zeros.

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Functions Relations

04/02/15

write an equation that describes the function

0,0 1,3 2,6 3,9

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Functions Input Output

04/02/15

write an equation that describes the function

0,10 1,11 2,12 3,13

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What function gives the time (t) it takes the rider to finish the race in terms of (s)?

The domain of the function f(x) = 3x3 is {2, 5}. What is the function’s range?

What is the output of the function f(p) = 3p – 2 when the input is 2?

for the function f(x)=x2-5x find the following f(0)

for function f (x) =x2-5x find each of the following a. f(-2), b. f(1), c. f(-1), d.f(2), e. f(10)

Suppose you have 80 ft of fence to enclose a rectangular garden. A=40x-x^2 gives you the area of the garden in square feet where x is the width in feet.

How to solve these?

ABC Printing Company charges a $10.00 service fee plus $.02 per copy. Write and evaluate a function rule to find the Total cost of printing 20 copies.

f(x) = ^3vx + 3 find the function values

what is the slope intercept form that contains the point (3,4) and has a slope of 2

Find the derivative of the function y=(-6x^10+70x-4)^6.

Am I doing this function question correctly?

Find F(x) and G(x) such that h(x)=(f*g)(x)

Quadratic equations help please

Help with Algebraic Functions word problem.

If the two functions are inverses, which of the following statements correctly verifies this?

y = 8 + 7 cos 3t + 7 cos 6t #function #trig

Help with 1 variable input/output function table.

Write an equation that describes the function

Algebraic Functions help.

If |a-b| = 5 and |a-c| = 3, which of the following could be the value of |b-c|?

A house was bought in Vancouver in 1980 for $80,000. In 2010 the same house was worth $800,000.

Determine the value of k *please help!! I have a math unit test on april 7th!*

write an equation that describes the function

write an equation that describes the function

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Determine the value of k please help!! I have a math unit test on april 7th!