MonotonicityHard
Question
f(x) = 
dx then f is -
dx then f is -Options
A.increasing in (0, ∞) and decreasing in (-∞, 0)
B.increasing in (-∞, 0) and decreasing in (0, ∞)
C.increasing in (-∞, ∞)
D.decreasing in (-∞, ∞)
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