Teeradaj Racharak A log of everyday life

Non-decreasing vs Non-increasing (Definition)

Non-decreasing Function

A function f(x) is said to be non-decreasing on an interval I if f(b) >= f(a) for all b > a, where a, b \in I.

Non-increasing Function

A function f(x) is said to be non-increasing on an interval I if f(b) <= f(a) for all b > a, where a, b \in I.

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