Calculus
f−1(x)=2x−4f^{-1}\left(x\right)=\sqrt{2x-4}f−1(x)=2x−4
f−1(x)=2x−6f^{-1}\left(x\right)=\sqrt{2x-6}f−1(x)=2x−6
f−1(x)=x−32f^{-1}\left(x\right)=\sqrt{\frac{x-3}{2}}f−1(x)=2x−3
f−1(x)=x−23f^{-1}\left(x\right)=\sqrt{\frac{x-2}{3}}f−1(x)=3x−2