Functions

This tutorial will explore functions.

Functions


A function is a mathematical machine that relates an output (y) to an input (x). Functions are usually written with f(x) as opposed to “y”.

The x values are referred to as the Domain.

The y values are referred to as the Range.

Functions in Tables


Functions in tables have no repeating x’s.

Functions

Functions in Mapping


Each x value has one arrow each pointing to the y’s.

Functions

Functions in Graphs


Graphs should only touch a vertical line one time.

Functions

Functions in Ordered Pairs


Ordered pairs will not have any repeating x’s.

Functions Video Tutorial


 

Here is a video tutorial comparing fractions.

 

Interactive Class on this Topic

Take an interactive middle school math class on this material, click here

 

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