Multi-step Function Inverses (Level 1)
For the function f(x)=9 (x-8), find f^-1 (x)

Answer:
Option 1
Step-by-step explanation:
y = 9(x - 8)
Make x the subject
y/9 + 8 = x
Interswitch variables
f^-1(x) = x/9 + 8