1. [0.4/1 Points] DETAILS PREVIOUS ANSWERS SCALC9 3.3.001. Consider the following graph. - N W A U X 1 2 3 4 5 6 (a) Find the interval(s) on which f is increasing. (Enter your answer using interval notation.) (1,3) U (4,6) (b) Find the interval(s) on which f is decreasing. (Enter your answer using interval notation.) (0,1) U (3,4) (c) Find the open interval(s) on which fis 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 point(s) of inflection. (x, y) = Need Help? Read It Watch It Submit