Find the inverse function of f. Check your answer by using the Inverse Function Property. What is the inverse function of f?
A) f(x) = 4x^3 + 7f^(-1)(x)
B) f(x) = 4x^3 + 7/x
C) f(x) = (x-7)/4x^3
D) f(x) = (x-7)/4x²