(c) Identify x-values where f''(x) = 0. (Enter your answers as a comma-separated list.)

-Identify x-values where f''(x) > 0. (Enter your answer using interval notation.)

-Identify x-values where f''(x)

(d) Identify x-values where f'(x) has a maximum point or a minimum point. (Enter your answers as a comma-separated list.)

Consider the following. f(x) = x3 - 9x2 + 9 (a) Find f'(x) and f"(x). f'(x) = 3x - 18x f"(x) = 6x - 18 (b) Graph f(x), f'(x), and f"(x) with a graphing utility. 150 150- 150 150 100 100 100 100 50- 50 50- 50 -5 -5 -5 -5 -50 -50 -50 -50 -100 -100 -100 -100 -150 -150 -150 Do -150 (c) Identify x-values where f"(x) = 0. (Enter your answers as a comma-separated list.) x = 0,3 X Identify x-values where f"(x) > 0. (Enter your answer using interval notation.) (0o, 3) x Identify x-values where f"(x)