Suppose f and g are differentiable functions with the values shown below. (6) - 4 f'(6) - 5 f"(6) = 11 9(6) = 7 9'(6) = -5 g"(6) = 18 (a) Find m '(6) for m(x) = f(x)g(x) m '(6) = (b) Find h "(6) for h(x) = 12f(x) + 19 h "(6) =