1,744 Answered Questions for the topic Functions

Functions

08/24/18

A salesperson is paid a weekly salary of $9,000 plus a commission of 6% of all her sales for the week. Express her income in terms of the weekly sales amount

Is this a function? How do you know? What is the appropriate domain
Functions

08/23/18

A function f is defined by f(x)=2x^2_3x. What value of x makes f(x+h)_f(x)/h=(2h+1)

This question is related to function. Its about finding the value of x. I teach 8th grade so I need answer soon to provide them please answer me fast

08/07/18

what does it mean by 26 less than 5 times?

word problem
Functions

08/07/18

function at f(4)

f(X)=X-8/X+2
Functions Linear

07/28/18

Which function rule best describes this statement? The amount for the pair of jeans less than a $15 coupon

well I need help and I hope u can reply me immediately thanksss 
Functions

07/28/18

Determine an x-value that results in an equal output for both functions.

Determine an x-value that results in an equal output for both functions.   f(x)=x+2 g(x)=(x+2)^2 - 3

What is the slope of a line that runs parallel to y = 2 x + 5?

please and thank you
Functions

07/17/18

Let f(x) = -10x-18 and g(x) = -3x, find (f-g)(x).

Let f(x) = -10x-18 and g(x) = -3x, find (f-g)(x).

07/12/18

Determine the quadratic function, f(x), with x-intercepts at x=7 and x =-2 and the y-intercept at y=5

f(x), with x-intercepts at x=7 and x =-2 and the y-intercept at y=5
Functions Graphs Maths Sets

07/05/18

n(A intersection B) =0. I want to ask what the n here means

and if we’re given with a statement of union or intersection with this n then how do we find the conditio? Thank you  
Functions

07/05/18

How much income will he receive from this transaction?

For every insurance policy Mr. Lorenzo sold, he receives 20% of the first payment of his customer, and 8.5% of the second and third payments. If the annual payment on a transacted policy is... more

Inverse Functions.

Consider the inverse functions f(x)=x2-2 for (√2 ≤x≤4) and g(x)=√x+2 (all being square rooted) for (0≤x≤14).   Show that f(g(x)) = x and g(f(x)) = x Find algebraically the coordinates of any... more
Functions

07/01/18

Intermediate value theorem

For f(x)=x^2-4x^2+3x-6 use the intermediate value theorem to determine which interval must contain a zero of f
Functions Limits Maths Domain

07/01/18

What is the difference between [2, infinity) and (1, infinity)?

Don’t the both of them mean the same? i.e from 2 to infinity? There was this one mcq which had both of these options. So how do yoy differentiate between the two?  
Functions Limits Maths

07/01/18

Let the variable Z take in succession the values 6,6 1/2,6 2/3,6 4/5,............. then Z ->

O, 5, 6 or 6,  

How do i write the composite transformed function as a normal function/equation

g(x)=1.157^(0.9x+5.5) h(x)=g(1.022x+7.6)+55   Could someone please help me rewrite the equation of h(x)?
Functions Algebra 2

06/23/18

For the function f ( x ) = 1/4 x + 4 , find the value of x for which f ( x ) = x

I'm needing an explanation I really don't understand it.
Functions

06/22/18

Function sketching

sketch the graph y= 1+ 3x divides by x squared + 2
Functions

06/20/18

Find the value of x given the function f(x)=-13x+7 when f(x)=-42

function find for x

Graphing functions

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

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

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)):    

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)

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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