MonotonicityMedium
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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