Let f(x) be a differentiable function with the following values: X 2 4 5 8 10 20 f(x) -8 -10 -4 0 - 6 9 7 Evaluate each of the following definite integrals. f'( 4x) dx = 2 f'(5x) dx = 0 X f' ( 4x) + f '(5x) dx = f'( 4x) + 5 dx =