1. The problem statement, all variables and given/known data Suppose f(1) = 2, f '(1) = 3 and f '(2) =4, then f^-1(2)=? 2. Relevant equations I dont even know what eqn to use 3. The attempt at a solution Knowing that I dont know what eqn to use, how do i solve this just plseas give me direct steps on how to answer it..