Question: what is the inverse function of f(x)=2x^3+1?
Answer: Since g(f(x))=x g ( f ( x ) ) = x , f−1(x)=3√4(−x+1)2 f - 1 ( x ) = 4 ( - x + 1 ) 3 2 is the inverse of f(x)=−2x3+1 f ( x ) = - 2 x 3 + 1 .