Find f−1(3)f^{-1}(3)f−1(3) if f(x)=2x−1f(x) = 2x - 1f(x)=2x−1.
x=2x = 2x=2
x=5x = 5x=5
x=1x = 1x=1
x=−2x = -2x=−2