Question 12 (2 points) If h(x) = f2 (x)-g?(x), f'(x) =-g(x), and g'(x) = f(x), then h'(x) = (A) 0 (B) 1 (C) 4f ( x)8(x) (D) (-8(x))2 -(f(x))2 (E) -2(-g(x) +f(x)) OA OB Oc OD OE