Let f, g be differentiable functions, and suppose f (ac) g(x) f' (ac) g' (x -1 0 3 -1 3 1 2 3 -2 3 -2 -1 2 -1 1. Let P(x) = g(x) . f(x), find P' (-1). 2. If H(x) = f (ac) g(x) + 2, find H' (3)