MonotonicityHard
Question
If f(x) = x3- 10x2 + 200x - 10, then f(x) is-
Options
A.decreasing in (-∞, 10] and increasing in (10, ∞)
B.increasing in (-∞, 10] and decreasing in (10, ∞)
C.increasing for every value of x
D.decreasing for every value of x
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