Respuesta :

AnimeBrainly
A function is "a expression or equation involving one or more variables".

For example:

(x² + 7a) is a function.


hope this helps
TheBlueFox

In mathematics, a function is a relation where each input (x) has exactly one output which we can call Y.There are many different ways we can represent functions including mapping diagrams, graphs, and ordered pairs.

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