Archive for the ‘Functions and Relations Basics’ Category


Graphing Functions Example 1

Here is an example of how to graph a function.  Remember to read the lesson on this topic. Basic steps to follow: 1. First understand that there are many different type of functions each with specific steps to graph 2. However we can take the basic shape of a function and move it up or […]

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Determine If A Relation Is A Function Example 1

Here is an example of how to determine if a relation is a function.  Remember to read the lesson on this topic. Basic steps to follow: 1. If the relation is expressed as a set of ordered pairs look to see if each x value has only one y value- this is a function 2. […]

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Introduction to Functions and Relations

Functions and relations are a HUGE part of algebra!  As such you want to take the time to learn all the terms and language that goes with this most important topic.  Just as a start a relation is a collection of points like (1, 3), (6, 9), (0, 5), etc.  A function is a special […]

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Functions Vertical Line Test and Mapping

“To be or not to be a function- that is the question”.  So lets say someone is trying to sell you a function and you want to know if it’s fake.  Is this really a function you might ask?  Well to protect yourself from a fraud and bad algebra grades you want to know the […]

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