If f(x) = 1/9 x-2 , what is f–1(x)?
2 answers:
Answer:

Step-by-step explanation:
Given: 
We need to find the inverse of f(x).
Step 1: Set f(x) = y

Step 2: Switch x and y

Step 3: Solve for y, Isolate y

Multiply by 9 both sides

Add 2 both sides


Hence, 
Hello,
y=1/9 x-2
==>x=1/9 y -2
==>9x=y-18
==>y=9x+18
f^(-1)(x)=9x+18
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