# Negative-Valued Function

(Redirected from Negative Function)

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A Negative-Valued Function is a numerical function that only produces negative numbers.

**Example(s):**- [math]\displaystyle{ f(x) = -|x| \; for\; x \ne 0 }[/math],
- [math]\displaystyle{ f(x) = -x^2 \; for\; x\ne 0 }[/math],

**Counter-Example(s):****See:**Additive Inverse Function, Negative Matrix, Non-Positive Function.