# Convex function facts for kids

In mathematics, a **convex function** is any function with value of the weighted average of 2 points is less than or equal to the weighted average of the function at those points. Also, a function is convex if and only if its epigraph is a convex set.

## Examples

Three examples are:

- A line:
- A parabola:
- Absolute value:

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Convex function Facts for Kids. *Kiddle Encyclopedia.*