If the inverse of a function f(x)f(x)f(x) is f−1(x)=x−32f^{-1}(x) = \frac{x-3}{2}f−1(x)=2x−3, what is f(x)f(x)f(x)?
f(x)=2x+3f(x) = 2x + 3f(x)=2x+3
f(x)=2x−3f(x) = 2x - 3f(x)=2x−3
f(x)=x2+3f(x) = \frac{x}{2} + 3f(x)=2x+3
f(x)=3x+2f(x) = 3x + 2f(x)=3x+2