
What is a Function? - Math is Fun
What is a Function? A function relates an input to an output. It is like a machine that has an input and an output. And the output is related somehow to the input. " f (x) = ... " is the classic way …
Function (mathematics) - Wikipedia
In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. [1] The set X is called the domain of the function [2] and the set Y is called the …
FUNCTION Definition & Meaning - Merriam-Webster
The meaning of FUNCTION is professional or official position : occupation. How to use function in a sentence. Synonym Discussion of Function.
Section 3.4 : The Definition of a Function - Pauls Online Math …
Jun 14, 2024 · A function is a relation for which each value from the set the first components of the ordered pairs is associated with exactly one value from the set of second components of …
Function | Definition, Types, Examples, & Facts | Britannica
May 14, 2025 · Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent …