1) Suppose the function of is defined by f (x) = 5x' + 2 for > > 0. a) Find the positive solution for the equation 5x2 + 2 = 82. Type the answer as an integer. b) Find f-1 (82). Type the answer as an integer. c) Calculate the derivative of f- evaluated at 82. In other words, calculate (f-1)' (82) . Type the exact answer as a decimal