QuestionFind $f^{-1}(9)$ given that $\mathrm{f}(1)=9$.

Studdy Solution
We know from the given information that when we input1 into the function f, we get9. Therefore, when we input9 into the inverse function $f^{-1}$, we should get1.
$$f^{-1}(9) =1$$So, $f^{-1}(9) =1$.