QuestionFind the inverse of the function $f(x)=3x+9$. What is $f^{-1}(x)=\frac{x}{[?]}+$?

Studdy Solution
Now that we have solved for $y$, we can write our answer in terms of $f^{-1}(x)$.
$$f^{-1}(x) = \frac{x -9}{3}$$So, the inverse function of $f(x) =3x +9$ is $f^{-1}(x) = \frac{x -9}{3}$.