Decide Whether or Not the Functions Are Inverses of Each $f ( x ) = 3 x + 9 , g ( x ) = \frac { 1 } { 3 } x - 3$

Multiple Choice

Decide whether or not the functions are inverses of each other.
- $f ( x ) = 3 x + 9 , g ( x ) = \frac { 1 } { 3 } x - 3$

A) Yes
B) No