1,752 Answered Questions for the topic Functions

Functions

06/20/18

Find the value of x given the function f(x)=-13x+7 when f(x)=-42
function find for x
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06/19/18

Graphing functions
y=(1/x+3) +3    Find the Range and Domain of this function 
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Functions

06/16/18

On a graph I have a line called AC, the equation of that line is y=-x. And point A is (0,0). How do I find point C?
AC||BK, point B is (-2,0) and point K is (-1,-1)
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06/07/18

Determine algebraically whether the function is even, odd, or neither.
Determine algebraically whether the function is even, odd, or neither. (show all work for full credit!)   f(x) = x^3/x^2+1
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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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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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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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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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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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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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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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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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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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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
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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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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