Question

What's the inverse of f(x)=9x-6?

Answer 1

the inverse of f(x) = 1/9(x+6)

Answer 2

\[y=9x-6 \rightarrow y+6=9x \rightarrow (y+6) \frac{ 1 }{ 9}=x \rightarrow f(x)^{-1} =1/9 (x+6)\]