Your best submission for each question part is used for your score. 1. [-/0.33 Points] DETAILS SCALCET8 4.3.001. Use the given graph of f over the interval (0, 6) to find the following. (a) The open intervals on which fis increasing. (Enter your answer using interval notation.) (b) The open intervals on which f is decreasing. (Enter your answer using interval notation.) (c) The open intervals on which f is concave upward. (Enter your answer using interval notation.) (d) The open intervals on which fis concave downward. (Enter your answer using interval notation.) (e) The coordinates of the point of inflection. ( x, y ) = () Need Help? Watch It