Determine Whether the Functions $f(x)$ And $g(x)$ Are Inverse Functions $f(x)=\frac{1}{3} x+9$ A) $f^{-1}(x)=3 x+27$

Multiple Choice

Determine whether the functions $f(x)$ and $g(x)$ are inverse functions.
- $f(x) =\frac{1}{3} x+9$

A) $f^{-1}(x) =3 x+27$
B) $f^{-1}(x) =\frac{1}{9} x+3$
C) $\mathrm{f}^{-1}(\mathrm{x}) =\frac{1}{3} \mathrm{x}-9$
D) $\mathrm{f}^{-1}(\mathrm{x}) =3 \mathrm{x}-27$