Problem 12. (1 point) Find the absolute maximum and absolute minimum values of the function f(x) = x3 6x2 63x + 9 over each of the indicated intervals. (a) Interval = [4,0]. 1. Absolute maximum: 2. Absolute minimum : (b) Interval = [1, 8]. 1. Absolute maximum: 2. Absolute minimum : (c) Interval = [4, 8]. 1. Absolute maximum: 2. Absolute minimum : Problem 13. (1 point) The graph of f ' (not f) is given below. xi x2 83 x4 x5 x6 (Note that this is a graph of f ', not a graph of f.) At which of the marked values of X is A. f (x) greatest? x = B. f (x) least? x = C. f '(X) greatest? X = D. f ' (X) least? x = E. f '"(x) greatest? x = F. f \"(x) least? x =