Permutation and CombinationHard
Question
If f(x) = 2x + cot-1 x + ln 
, then f(x) :
, then f(x) :Options
A.increases in [0, ∞)
B.decreases in [0, ∞)
C.neither increases nor decreases in [0, ∞)
D.increases in (- ∞, ∞)
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