O X 2 4 8 Graph of f Let f be the continuous function defined on [-1, 8] whose graph, consisting of two line segments, is shown above. Let g and h be the functions defined by g(x) = vx2 - x +3 and h (x) = 5e - 9sinc. (a) The function k is defined by k (x) = f (x) g (x). Find k' (0)