The graph of the first derivative f' of a function f is shown.(a) On what intervals is f increasing? Explain.(b) At what values of x does f have a local maximum or minimum? Explain.(c) On what intervals is f concave upward or concave down-ward? Explain.(d) What are the x-coordinates of the inflection points of f?Why?

8. The graph of the first derivative f' of a function f is shown. (a) On what intervals is f increasing? Explain. (b) At what values of x does f have a local maximum or minimum? Explain. (c) On what intervals is f concave upward or concave down- ward? Explain. (d) What are the x-coordinates of the inflection points of f? Why? YA y = f'(x) 0 2 4 8 X 9-14