Find the inverse of f(x)=x+12f(x) = \frac{x + 1}{2}f(x)=2x+1.
f−1(x)=2x−1f^{-1}(x) = 2x - 1f−1(x)=2x−1
f−1(x)=2x+1f^{-1}(x) = 2x + 1f−1(x)=2x+1
f−1(x)=2x−12f^{-1}(x) = \frac{2x - 1}{2}f−1(x)=22x−1
f−1(x)=2x+1f^{-1}(x) = \frac{2}{x + 1}f−1(x)=x+12