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## Function (mathematics) - Wikipedia

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

For an example of a function, let X be the set consisting of four shapes: a red triangle, a yellow rectangle, a green ...

## What is a Function - Math is Fun

www.mathsisfun.com/sets/function.html

Example: "Multiply by 2" is a very simple function. ... Example: this tree grows 20 cm every year, so the height of the tree is related to its age using the function h:.

## Function examples - Math Insight

mathinsight.org/function_examples

Basic examples of functions illustrating the definition of a function.

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

Functions assign a single unique output for each of their inputs. In this video, we see examples of various kinds of functions.

## Examples of Functions

www.cut-the-knot.org/do_you_know/FunctionExamples.shtml

Examples of functions - numeric and not numeric. In a compact form a function is a well defined unidirectional dependency, a concept of which I shall provide ...

## Examples of functions - Abstractmath.org

www.abstractmath.org/MM/MMFuncExamples.htm

For example, id Z ( 42 ) = 42 . The identity function on a set A can be thought of as the function that does nothing to each element of A. The identity function on R ...

## Functions versus Relations - Purplemath

www.purplemath.com/modules/fcns.htm

In other words, if you can enter it into your graphing calculator, then it's a function. The calculator can only handle functions. For example, 2y + 3x = 6 is a function ...

## Examples of Functions - DrDelMath

www.drdelmath.com/special_topics/Functions - Examples - Introduction.pdf

I:\Mathematics\WordDocuments\Functions - Examples - Introduction.doc. 1. Examples of ... These examples illustrate that the rule for a function need not be.

## C Function with examples - Fresh2refresh.Com

fresh2refresh.com/c-programming/c-function/

C tutorial for beginners with examples - Learn C programming language covering basic C, literals, data types, C functions with examples etc.

## JavaScript Functions - W3Schools

www.w3schools.com/js/js_functions.asp

Example. function myFunction(p1, p2) { return p1 * p2; // The function returns the ... A JavaScript function is defined with the function keyword, followed by a ...