4.4.9 7 8 O Calculator Ask my instructor FI A ition K d.pearsoncmg.com/Player/Player.aspx?cultureld=&theme=math&style=highered&disableStandbyIndicator=true&assignmentHandles Locale=true# N Use the graph of f in the figure to the right to complete parts (A) through (M) (assume that f''(0) <0, f''(b) >0, and f''(g) > 0). 2 F2 (A) Find the intervals on which f'(x) <0. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The interval(s) on which f'(x) < 0 is/are W (Use a comma to separate answers as needed.) OB. There are no intervals on which f'(x) <0. S X H command #3 20 F3 E D $ 4 C 989 DDD F4 R LL F % 5 V F5 T G < 1 B FO H & N * 8 11 FB M ( 9 K O O A command F10 Clear all P TI 4) L alt Af(x) option M e + Check answer F12 G o delete retu