If h(x)=(f o g )(x) and h(x)=5(x+1)^3, find one possibility for f(x) and g(x)

h(x)=(f o g )(x) = f[g(x)] = 5(x+1)³
So, one of possible solution is to let
         g(x) = x+1
and
         f(x) = 5x³

Another possible solution is to let
        g(x) = (x+1)³
and
       f(x) = 5x