If $y=f(x)=x^{7}+6$ , What Is the Inverse Function $f^{-1}(y)$ ?
A) $\sqrt[7]{y-6}$ B) $\sqrt[7]{y+6}$

Multiple Choice

If $y=f(x) =x^{7}+6$ , what is the inverse function $f^{-1}(y)$ ?

A) $\sqrt[7]{y-6}$
B) $\sqrt[7]{y+6}$
C) $\sqrt[7]{y}-6$
D) $\sqrt[7]{y}+6$