9. Suppose f(x) is continuous, f'(x) > 0 for all x on (-3,2) and f'(x) < 0 for all x on (2,5). f’(x)=0 at x=2.
a. Which is bigger, f(-3) or f(2)? Why?
b. Which is bigger, f(2) or f(5)? Why?