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## Function (mathematics) - Wikipedia

en.wikipedia.org/wiki/Function_(mathematics)

The above definition of "a function from X to Y" is ... With one definition saying the function defined by f(x) = x<sup>2</sup> ...

## Definition of Function - Math is Fun

www.mathsisfun.com/definitions/function.html

A function is a special relationship where each input has a single output. It is often written as "f(x)" where x is the input value. Example: f(x) = x/2 ("f of x is x ...

## Algebra - The Definition of a Function - Pauls Online Math Notes

tutorial.math.lamar.edu/Classes/Alg/FunctionDefn.aspx

This seems like an odd definition but we'll need it for the definition of a function ( which is the main topic of this section). However, before we actually give the ...

## Function definition - Math Insight

mathinsight.org/definition/function

A technical definition of a function is: a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output. This means that ...

## What is a function? | Evaluating functions | Functions | Algebra I ...

This was kind of an interesting way to define a function, a way to kind of munch on these numbers. But I could have done this with traditional equations in some ...

## Definition of Function | Define Function - Algebra 1 - Free Math ...

www.icoachmath.com/math_dictionary/function.html

Function is a relation in which each element of the domain....complete information about the function, definition of an function, examples of an function, step by ...

## Function - math word definition - Math Open Reference

www.mathopenref.com/function.html

Functions - how they transform one value into another in a defined way.

## Function -- from Wolfram MathWorld

mathworld.wolfram.com/Function.html

of values at which a function is defined is called its domain, while the set f(A) ... Ch. 27 in Handbook of Mathematical Functions with Formulas, Graphs, and ...

## What is a function rule in mathematics? | Reference.com

www.reference.com/math/function-rule-mathematics-55fcb260037f06a1

A function is a relationship in math between two variables, often x and y, and for every value of x there is exactly ... What is the definition of "plane trigonometry"?

## Mathematical function - definition of mathematical function by The ...

www.thefreedictionary.com/mathematical function

Noun, 1. mathematical function - (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an ...