TEST REVIEW INVERSES & COMPOSITE FUNCTIONS

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7
• f^-1(x) = -4x + 28
• f^-1(x) = -4x - 7
• f^-1(x) = 4x + 28

Are the following inverses of each other?

• True
• False

What is the equation that the inverse will reflect across?

• y = x
• y = 0
• x = 0
• Potato

Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Given g(x)= -3x and f(x)=x²+2, find g(f(x)). 

• g(f(x))= -3x²-6
• g(f(x))= -3x²+2
• g(f(x))=9x²+2
• g(f(x))= -9x²+2

What is the inverse of this function?

• A
• B
• C
• D

• 13

• 85

• 9

• 65