# Examples of non functions in math

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## Examples and non-exmaples of functions.

For examples, just replace a and b with any non-zero number. Equivalently, any function of the form cdx - once again, for non-zero c and d - is exponential. Here, too, you can

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## How do you define functions for non-mathematicians?

An example of a non-function relation that is injective is the relation consisting of all the pairs $(x, \sqrt{x}), (x, -\sqrt{x})$ where $x$ ranges over non-negative numbers.

## Function vs not function

2. Just rotate an existing one - e.g. stock price vs. time. This feels unnatural, but that's because of convention: we talk about graphing A against B precisely when one is a

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## What is an example of a non-function in math?

A "passing grade" is a grade that is good enough to get a student through a class or semester.

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## Graphs of Functions and Non-Functions

What is an example of a non-function in math? A non-function would be one that has TWO answers for ONE input, such as when you have y squared = 4. You can have y = 2 or -2.

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## Give me an example of not function

Learning Card #9 from 1st semester. Functions are being evaluated left and right!Blank learning card for this video is here (http://bit.ly/AlgLC-FuncEval). Y

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