Function

Relation between sets in mathematics.

map mappping

In mathematics, a function is a relation between sets that associates each element of the first set with exactly one element of the second set.

Pronunciation

/ˈfʌŋkʃən/

Etymology

The word 'function' was first used by Gottfried Wilhelm Leibniz in 1694.

Explain Like I’m 5

A function is like a machine that takes something in, does something to it, and gives you something back - for example, a vending machine takes money and gives you a snack.

Fun Facts

Functions are a core concept in mathematics
They are used to model relationships between variables
The idea of functions was formalized by Gottfried Wilhelm Leibniz

FAQ

What is a function? A function relates an input to an output
How do you know if something is a function? Each input must have only one output
Can functions be used in everyday life? Yes, many processes can be modeled as functions

Hypernyms — Broader Categories

relation mapping

Hyponyms — Specific Examples

linear function quadratic function exponential function

Indexes

mathematical concept relational

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