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## How Do You Figure Out If a Relation is a Function? | Virtual Nerd

www.virtualnerd.com/algebra-1/relations-functions/identify-difference.php

You could set up the relation as a table of ordered pairs. Then, test to see ... a function! Watch this tutorial to see how you can determine if a relation is a function.

## Determining Relations and Functions - Regents Exam Prep Center

www.regentsprep.org/regents/math/algebra/ap3/lfunction.htm

Determining Relations and Functions Topic Index | Algebra Index | Regents Exam Prep ... If we impose the following rule on a relation, it becomes a function.

## Functions versus Relations - Purplemath

www.purplemath.com/modules/fcns.htm

Discusses the concept of functions versus relations, and demonstrates ways of telling ... Test, along with how to know if a formula is a function even without the graph. ... (I'll explain more on the subject of determining domains and ranges later.) ...

Jun 15, 2009 ... i am glad that read your post now I understand Functions better﻿ ... how can you determine if these relations are functions? x=y^2+2 & y|x+3| ...

## The vertical line test to determine if a relation is a function. To use ...

www.mathwarehouse.com/algebra/relation/vertical-line-test.php

The vertical line test for math functions. How to determine if a relation is a function by using the vertical lien test.

## Relations and Determining Whether a Relation is a Function - Concept

www.brightstorm.com/math/algebra/graphs-and-functions/relations-and-determining-whether-a-relation-is-a-function/

Understanding relations (defined as a set of inputs and corresponding outputs) is an important step to learning what makes a function. A function is a specific ...

Oct 14, 2009 ... John Zimmerman http://www.tabletclass.com shows students how to determine if a relation is a function. John explains the concepts behind ...

## SOLUTION: Determine whether each relation is a function. In ...

www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.225039.html

SOLUTION: Determine whether each relation is a function. In addition, provide reasons for identifying a relation as a function. {(3, 4), (5, 9), (9, 9), (2, 3)} {(0, 0), ( 0 ...

## SparkNotes: Algebra II: Functions: Relations and Functions

www.sparknotes.com/math/algebra2/functions/section1.rhtml

To check if a relation is a function, given a mapping diagram of the relation, use the following criterion: If each input has only one line connected to it, then the ...

## Representing Functions and Relations

www.montereyinstitute.org/courses/Algebra1/COURSE_TEXT_RESOURCE/U03_L2_T1_text_final.html

Represent relations and functions with graphs, tables, and sets of ordered pairs. .... such a line across a graph is a good way to determine if it shows a function.

### Testing if a relationship is a function | Recognizing functions | Khan ...

Sal determines if points on a graph represent a function.

### Determining if the Relation is a Function - Mathway

mathway.com

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a ...

### Functions: Domain and Range - Purplemath

www.purplemath.com

... (page 2 of 2). Sections: Functions versus relations, Domain and range ... If you find a duplicate x-value, then the different y-values mean that you do not have a function. State the ... Determine the domain and range of the given function: ...