The graph of the derivative f €˜of a continuous function f is shown
(a) On what intervals is f increasing or decreasing?
(b) At what values of x does f have a local maximum or minimum?
(c) On what intervals is f concave upward or downward?
(d) State the x-coordinate(s) of the point(s) of inflection.
(e) Assuming that f (0) = 0, sketch a graph of f.

31. y y=f'x) 0| 6. -2 32. y4 y f'(x) -2 4 -2- 2. 2.