consider the following graph a find the intervals on which f is i12658

Question

Consider the following graph.
(a) Find the interval(s) on which f is increasing. (Enter your answer using interval notation.) (b) Find the interval(s) on which f is decreasing. (Enter your answer using interval notation.) (c) Find the interval(s) on which f is concave upward. (Enter your answer using interval notation.) (d) Find the interval(s) on which f is concave downward. (Enter your answer using interval notation.) (e) Find the coordinates of the inflection point(s). (Order your answers from smallest to largest x, then from smallest to largest y.)