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 ...

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:.

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 ...

study.com/academy/lesson/algebraic-function-definition-examples.html

An algebraic function is a type of equation that uses mathematical operations. An
equation is a function if there is a one-to-one relationship...

www.regentsprep.org/regents/math/algtrig/atp5/OntoFunctions.htm

EXAMPLE 3: Is g (x) = x² - 2 onto where ? If set B is redefined to be , ALL of the
possible y-values are now used, and function g (x) (under these conditions) is ...

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 ...

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.

www.math.toronto.edu/preparing-for-calculus/4_functions/we_3_one_to_one.html

A function with domain is called a one-to-one function if every -value in the range
comes ... Consider the graphs of the functions given in the previous example:

www.mathworks.com/help/matlab/examples/function-functions.html

This example shows how to use the output of one MATLAB® function as an input
to another.

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.