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Nov 1, 2015 ... Learn how to determine if an equation defines y as a function of x.
Aug 19, 2015 ... Determining if an equation defines y as a function of x ... Algebra 1 - Determine whether an equation determines y as a functions of x, x + y = 9; ...
Jan 3, 2012 ... thanks a lot m8 the video helped me, I have my algebra test in 2 days.﻿ .... so if anything is y^2 or x^2 or anything squared, its not a function?﻿.

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

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

In the relation , y is a function of x , because for each input x (1, 2, 3, or 0), there is only one output y . x is not ... The Line Test for Mapping Diagrams. To check if a relation is a function, given a mapping diagram of the relation, use the following ...

## 1.4 functions - Utep

Determine whether the relation represents y as a function of x. a. The input value x is the number of representatives from a state, and the output value y is the ...

## Recognizing functions from verbal description | Algebra | Khan ...

Checking whether y can be described as a function of x if y is always three more than twice x. ... Any input uniquely determines which y. It's not like if you put an x ...

## Determining whether an equation represents y as a function of x ...

www.showme.com/sh/?h=WoDDglE

Determining whether an equation represents y as a function of x by Tina Deemer - July 20, 2012.

## Determining Relations and Functions - Regents Exam Prep Center

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

If we impose the following rule on a relation, it becomes a function. ... A function may not have two y-values assigned to the same x-value, such as {(2,4), (2,6)}.

## Determine whether the equation represents y as a function of x ...

Oct 7, 2009 ... Determine whether the equation represents y as a function of x ... If you don't know why, I think you should look up the definition of 'function' ...

## What does "function of" mean?

ccnmtl.columbia.edu/projects/mmt/frontiers/web/chapter_3/9121.html

The statement "y is a function of x" (denoted y = y(x)) means that y varies ... If y(x) = 2x, that means that for every incremental increase in x, y increases by 2 ...

### how to determine whether the equation defines y as a function of x ...

www.algebra.com

SOLUTION: how to determine whether the equation defines y as a function of x. ... but if there is more than one y for even one value of x, then the relation is not a ...

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

www.virtualnerd.com

If so, you have a function! Watch this tutorial to see how you can determine if a relation is a function. ... In this tutorial, you'll see how to identify the x-coordinate in an ordered pair! What is the Y-Coordinate? Ordered pairs are a crucial part of ...

### In algebraic functions, how do you determine whether Y is a function ...

www.quora.com

If the graph passes a vertical line test, then y can be a function of x. Here's a reference (also contains a list of more solid references in case you need a more ...