Find the Inverse Function $f(x)=15-7 \log _{4}(8 x+2)$ A) $f^{-1}(x)=\frac{4^{\frac{15-x}{7}}+2}{8}$

Find the inverse function. $f(x) =15-7 \log _{4}(8 x+2)$

A) $f^{-1}(x) =\frac{4^{\frac{15-x}{7}}+2}{8}$
B) $f^{-1}(x) =\frac{4^{\frac{15+x}{7}}-2}{8}$
C) $f^{-1}(x) =\frac{4^{\frac{15-x}{7}}-2}{8}$
D) $f^{-1}(x) =8\left(4^{\frac{15-x}{7}}+2\right)$