In Problem 58 to 62, find the absolute maximum and minimum, if either exists, for each function on the indicated intervals.
58.f(x) = 2x3 - 3x2 - 12x + 24
(A) [-3,4]
(B) [-2,3]
(C) [-2,1]
60.f(x) = x4 - 8x2 + 16
(A) [-1,3]
(B) [0,2]
(C) [-3,4]
62. f(x) = x4 - 18x2 + 32
(A) [-4,4]
(B) [-1,1]
(C) [1,3]