MonotonicityHard

Question

When 0 ≤ x ≥ 1, f(x) = | x | + | x - 1 | is-

Options

A.increasing
B.decreasing
C.constant
D.None of these

Solution

f(x) = | x | + | x - 1 |
f(x) =   ⇒   f′(x) =
If is constant function at 0 ≤ x ≤ 1

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