Let f(x)=x3−3x2+3x−1f(x) = x^3 - 3x^2 + 3x - 1f(x)=x3−3x2+3x−1. What is the inverse function f−1(x)f^{-1}(x)f−1(x)?
x3+1\sqrt[3]{x} + 13x+1
x−13\sqrt[3]{x-1}3x−1
x3−1\sqrt[3]{x} - 13x−1
x3+1x^3 + 1x3+1