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:
Images for kids

A graph of the bivariate convex function x2 + xy + y2.
See also
In Spanish: Función convexa para niños
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Convex function Facts for Kids. Kiddle Encyclopedia.