Consider the following table of values of the functions f and g and their derivatives at various points. (a) Find Dx(fig(x)]) at x = 2. (b) Find Dx(9[f(x)]) at x = 3. X 2 W A f ( x ) 1 2 4 f' (x) - 1 - 8 - 2 - 4 g(x) 3 2 g'(x) 3/8 5/8 1/8 7/8