Calculus
posted by Anonymous .
Suppose that f(x), f'(x), and f''(x) are continuous for all real numbers x, and the f has the following properties.
I. f is negative on (inf, 6) and positive on (6,inf).
II. f is increasing on (inf, 8) and positive on 8, inf).
III. f is concave down on (inf, 10) and concave up on (10, inf).
Of the following, which has the smallest numerical value?
(a) f'(0)
(b) f'(6)
(c) f''(4)
(d) f''(10)
(e) f''(12)
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