2. [6] The graph of y = f' (x), the derivative, of the continuous function f(x) is shown below. Clearly state your solutions for the following questions: (a) [4] On what interval(s) is f (x) increasing? Decreasing? (b) [2] At what x value(s) does f (x) have a local maximum? Local minimum? (2, 3) y = f'(x) (-3, 1)