If the inverse function of function f (x) is f ^ (- 1) (x) = log with 2 as the base x, then f (x)=

If the inverse function of function f (x) is f ^ (- 1) (x) = log with 2 as the base x, then f (x)=

f^(-1)x = log(2) x
f(x) = 2^x