1. The problem statement, all variables and given/known data Let g(x) = (e^x - e^-x)/2. Find g^-1(x) and show (by manual computation) that g(g^-1(x)) = x. 2. Relevant equations g(x) = (e^x - e^-x)/2 3. The attempt at a solution I get the inverse = ln[ (2x + sqrt(4x^2 + 4) ) / 2 ] How do I proceed?