2.5 The Chain Rule 53 4. Suppose f and g are differentiable functions with the values given in 2 x f (x) g(x) f' (x) 9 (x) 7 the table to the right. Find h'(2) if h(x) = f(9(x)). 4 4 2 3 -1 5 8 5. Let f be a differentiable function, and let g(x) = [f(Vx)]3. wole sion lest adelise (a) Calculate g'(x). (b) Use the values in the table below to calculate g'(4). x f ( x ) |f' (x ) 2 1 -2 4 -3 4