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