Linear Inverse Functions

Are these the graphs of two inverse functions?

• Yes

• No

• No way to tell

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3

• f^-1(x) = -1/4x - 3

• f^-1(x) = 1/4x + 3

• f^-1(x) = -4x - 3

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

Mathematical Equivalence

OFF

Tags

Inverse

Mathematical Equivalence

ON

Find the inverse of the function
f(x) = 7x + 5

Mathematical Equivalence

ON

Find the inverse of f(x) = 3x +8

• f^-1(x) = 3(x-8)

• f^-1(x) = (8x-1)/3

• f-1(x) =x/3 - 8/3

• f^-1(x) = (x+8)/3

Match the function to the graph of its inverse.

• A

• B

• C

• D