Please answer quickly. And explain why you did what you did.

1. (7 marks) Let f be a function that is defined and differentiable on all of R. Here is some information about f and its derivative f': 2 3 4 f(x) 8 3 -3 V2 0 f (x) -2 4 -6 2 (a) Suppose h(x) = (23 - 4x 1 + 5) . f(x). Find h'(2). (b) Suppose R(x) = 2 f (x) 3 - 572 . Find R'(-1)