13. The following table lists the values of functions f and g and of their derivatives f' and g' for x-values -4, 2 and 1. X f ( x ) g(x) f (x ) -3 -2 3' (x) 4 7 8 -3 1 1 12 3 10 -5 4 12 a) Find h'(2) if h(x)=f(g(x)) b) Find h'(1) if h(x)=g(f(x))