Are f and g inverse functions?

f(x)=x^{3}+6

g(x)=

Yes

No

f^{-1} is an inverse of f if and only if f^{-1} fulfills the following properties:

f^{-1}(f(x))=x and f(f^{-1}(x))=x

Let us assume g(x)=f^{-1}(x).

f^{-1}(f(x))=f^{-1}(x^{3}+6)=