Use the figures below to evaluate the indicated derivative or state that it does not exist If the derivative does not exist enter dne in the answer blank The graph to the left in black gives f x while the graph to the right gives g x which is constant for values of a greater than 40 200 200 40 40 0 40 10 0 168 40 f g x 20 If the derivative does not exist enter dne 40 0 40 40 0 g x 168