Composition of Functions
Inverses
Graphing
Function Operations
Final Jeopardy
100

f(x) = 6x-4 g(x) = 2x

Find g(f(x))

g(f(x)) = 12x-8

100

Find the inverse of {(2,-2) (4, 0) (6, -3) (-7, 2)}

{(-2, 2), (0, 4), (-3, 6) (2, -7)}

100

Find the inverse and graph both the function and its inverse. 

100

Let f(x)=2x2+x-3 and g(x)=x-1. Then (f-g)(5) equals what?

48

100

f(x) = -3x2+5 g(x) = -2x+3

Find f(g(x))

(f(g(x)) = -3(-2x+3)2+5

100

Use the composition of functions to determine whether f and g are inverses. MUST SHOW WORK

f(x)=2x-3 and g(x)=(x+3)/2

they are inverses.

100

Find the inverse and graph:


100

If

f (x) = 2x + 4 

and

g(x)= 4x^2 - 2x

, what is the value of: (f + g)(2x)

16x^2 + 4

100

Given f(x) = 2x + 3 and

g(x) = –x^2 + 5

find 

( f \circg)(x).

 

–2x^2 + 13

100

Find g–1(x) if g(x) = x2 + 5

sqrt(x – 5)

100

What is the domain restriction needed to make the inverse of the function shown a function? 

[-3,\infty)

100

If

f(x) = x^2 - 1

g(x) = x +1

find

(f / g)(x)

x-1

100

What is the inverse of g(x) = (2-x)/(3+x)?

g-1(x)=(2-3x)/(x+1)

100

f(x) = 3x2-4 g(x) = 3x

Find f(g(3))

f(g(x)) = 3(3x)2-4

f(g(3)) = 239

100

What is the inverse of f(x)= (x+4)3-3?

f-1(x)=(x+3)1/3-4

100

Graph the inverse: 

 

100

Let f(x)=4x-1 and g(x)=2x2+3. find (f*g)(x). 

8x3 - 2x2 + 12x - 3

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