MonotonicityHard

Question

Let g (x) = 2f (x/2) + f (1 - x) and f′(x) < 0 in 0 ≤ x ≤ 1 then g (x) -

Options

A.decreases in [0,2/3)
B.decreases in (2/3,1]
C.increases in [0,2/3)
D.increases in (2/3,1]

Solution

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