MonotonicityHard

Question

Function f(x) = 2x2 − log x is increasing when

Options

A.x ∈ (0, 1/2)
B.x ∈ (1/2, ∞)
C.x ∈ (−1/2, 1/2)
D.x ∈ (−∞, − 1/2) ∪ (1/2, ∞)

Solution

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