Alsoo please D) on what interval is F concaved up or concave down? E) for what values of X does F have an inflection point?

4. The graph of the derivative of a function f is shown below. Answer the following questions about f. Explain your answers for full credit. y = f'( ) -2 0 2 (a) (4 points) On what intervals is f increasing/decreasing? (b) (4 points) What are the critical points of f? (o) (3 points) For what values of a does f have a local maximum or minimum? Indicate which is which