Newest Functions Questions | Wyzant Ask An Expert

06/07/18

Given f(x) find:

Given f(x) = 1/x-2 and g(x) = sqrt(x+3): 1.) Find f(g(x)) and DO NOT rationalize the denominator: 2.) Find the domain of f(g(x)):

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Functions Precalculus Math Help Precalculus Homework

06/07/18

Given the function, find f^prime(x)

given the function f(x) = 2x^4-3x^2+5x-2, find f^prime(x). (i wasn’t sure how to type the prime symbol)

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Functions Algebra 1 Algebra 2 Graphing

06/04/18

Compared to the parent function y = (3)^x, the function y = (4/3)(3)^(x+7) - 4 is

Compared to the parent function y = (3)^x, the function y = (4/3)(3)^(x+7) - 4 is A. stretched by a factor of 4/3, shifted right by 7, and shifted down by 4 B. shrunk by a factor of 4/3,... more

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Functions

06/04/18

to better understand how a function works, you will have to find the __ that the function follows as it turns inputs into outputs

i just need to know what to put into the blank.

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Functions Algebra 2 Precalculus Algebra

05/30/18

Evaluate each function for the given value of x?

f = (10,7),(-2,4),(5,3),(4,10) f(10) =

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Functions Algebra 2 Precalculus Algebra

05/29/18

Evaluate each function for the given value of x?

x y -3 3 -1 1 0 0 1 1 f(-1) =

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Functions Calculus Pre Calculus Intercepts

05/20/18

Given each function: Find the x- and y-intercepts, the domain, the vertical and horizontal asymptotes, and then sketch a complete graph of the function.

a) f(x)= 1-x/x+2 b) f(x)= 2x-4/1-x

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Functions

05/18/18

find (fog)(x), (fog), (gof)(x)

f(x)=13/x5 , g(x)=16-x

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Functions

05/18/18

let f(x) =4x-1, h(x) =-x-4

find the (foh) (3)2

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Functions Algebra Graphing

05/15/18

Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 – 8x – 3.

my question is Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 – 8x – 3. i really need help with this question

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Functions Calculus Precalculus Trigonometry

05/14/18

Use periodic properties of the trigonometric function to find the exact value of the expression. Tan 29pi/3

show all steps

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Functions Functions Word Problem

05/08/18

It costs $6 per pound for peanuts at Blessed Food Market. Which of the following represents the range of the function in term of cost per pound?

A. $6 B. Amount of peanuts C. Cost of peanuts purchased D. Peanuts purchased

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Functions Word Problem

05/06/18

Suppose the weekly cost for the production and sale of bicycles is C(x)=24x+3075 dollars and that the total revenue is given by R(x)=91x dollars, where x is the

a) Write the equation of the function that models the weekly profit from the production and sale of x bicycles. b) What is the profit on the production and sale of 100 bicycles

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Functions

05/05/18

Given f(x) = 5x − 8, find the following:

a:f(−1)b:f(0)c:f(1)d:f(y)e:f(a + b)

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Functions Algebra 1 Quadratic Equations Complex Numbers

05/04/18

i need to solve a word problem....

Nba basketball legend Michael Jordan had a 48in. vertical leap. suppose that Michael jumped from ground level with an initial velocity of 16ft/sec. Michaels height h (in feet) at a time t seconds... more

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Functions Calculus Precalculus Domain

04/28/18

Find the domain of the logarithmic function. f(x) = ln (8 - x)

Show all work, step by step.

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Functions

04/28/18

I am after the formula for the inverse function f-1(t)

The original function is f(t) = V = 2+48/(1+e-(t-20)³/1000) I have plotted this original and for 0>=t>=40 and get a upward snaking line. For every inverse I derive I get a completely... more

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Functions

04/26/18

What is the inverse function of f (t)=V=2+(48/(1+e^-(t-20)^3 /1000))

I am struggling to find the inverse correctly as when I plot it, it isnt a mirror of original on y=t

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Functions

04/20/18

what is the rule for function 0,2; 1,5; 2,8

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Functions

04/20/18

functions of x

far all values of x, f(x)=x2+1 g(x)=x-5 a) show that fg(x) = x2–10x+26 b) solve fg(x) = gf(x)

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Functions Word Problem Exponential Functions Decay Process

04/17/18

radio active substance decay word problem exponential functions

Alexander Litvinenko was poisoned with 10 micrograms of the radioactive substance Polonium-210. Since radioactive decay follows a compounded continuously model, we can determine the amount of... more

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Functions

04/10/18

find the domain of x^3-8\x^2-4

x3 −8 x2 −4

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Functions

04/10/18

If the point (5,3) is a point on the graph of f, then

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Functions Graph Proportions

04/09/18

Which graph represents the relationshil between the number of gallons of milk and the number of pounds of cheese that can be made from milk?

A cheese manufacturer uses 65 gallons of milk to make 52 pounds of cheese. The weight of the cheese is directly proportional to the number of gallons of milk used to make the cheese.

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Functions System Of Equations

03/28/18

Jennifer worked 60 hours in June, and her total sales were $8,625. Find the amount she earned from commission in June and the hourly wage she is paid.

Jennifer works at a bookstore. She earns an hourly wage plus 4% commission on her monthly sales. Her total earnings for June, July, and August are shown. In June she earned $ 1,005. In July she... more

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Given f(x) find:

Given the function, find f^prime(x)

Compared to the parent function y = (3)^x, the function y = (4/3)(3)^(x+7) - 4 is

to better understand how a function works, you will have to find the __ that the function follows as it turns inputs into outputs

Evaluate each function for the given value of x?

Evaluate each function for the given value of x?

Given each function: Find the x- and y-intercepts, the domain, the vertical and horizontal asymptotes, and then sketch a complete graph of the function.

find (fog)(x), (fog), (gof)(x)

let f(x) =4x-1, h(x) =-x-4

Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 – 8x – 3.

Use periodic properties of the trigonometric function to find the exact value of the expression. Tan 29pi/3

It costs $6 per pound for peanuts at Blessed Food Market. Which of the following represents the range of the function in term of cost per pound?

Suppose the weekly cost for the production and sale of bicycles is C(x)=24x+3075 dollars and that the total revenue is given by R(x)=91x dollars, where x is the

Given f(x) = 5x − 8, find the following:

i need to solve a word problem....

Find the domain of the logarithmic function. f(x) = ln (8 - x)

I am after the formula for the inverse function f-1(t)

What is the inverse function of f (t)=V=2+(48/(1+e^-(t-20)^3 /1000))

what is the rule for function 0,2; 1,5; 2,8

functions of x

radio active substance decay word problem exponential functions

find the domain of x^3-8\x^2-4

If the point (5,3) is a point on the graph of f, then

Which graph represents the relationshil between the number of gallons of milk and the number of pounds of cheese that can be made from milk?

Jennifer worked 60 hours in June, and her total sales were $8,625. Find the amount she earned from commission in June and the hourly wage she is paid.

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