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  1. 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.

  2. What is a Function - Math is Fun

    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.

  3. Function (mathematics) - Wikipedia

    Function (mathematics) ... 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] …

  4. Function: Definition, types of functions, and applications!

    So, what is a function? A function is simply defined as a set of rules that associates input values with output values. In other words, a function is a relationship between two sets that assigns a …

  5. What is a Function in Maths? - BYJU'S

    What is a Function in Maths? A function in maths is a special relationship among the inputs (i.e. the domain) and their outputs (known as the codomain) where each input has exactly one …

  6. Function in Maths - GeeksforGeeks

    Apr 7, 2025 · What is a Function in Maths? In mathematics, a function is a relationship or rule that assigns each input (often called the domain) to exactly one output (often called the co-domain).

  7. FUNCTION | English meaning - Cambridge Dictionary

    FUNCTION definition: 1. the natural purpose (of something) or the duty (of a person): 2. an official ceremony or a…. Learn more.

  8. Khan Academy

    Learn about functions, their properties, and how to work with them in algebra on Khan Academy.

  9. Algebra - The Definition of a Function - Pauls Online Math Notes

    Jun 14, 2024 · We also give a “working definition” of a function to help understand just what a function is. We introduce function notation and work several examples illustrating how it works. …

  10. 3.1 What Are Functions? - MIT Mathematics

    The simplest definition is: a function is a bunch of ordered pairs of things (in our case the things will be numbers, but they can be otherwise), with the property that the first members of the …