Algebra - Lines, Circles and Piecewise Functions

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General Notice

I have been informed that on March 7th from 6:00am to 6:00pm Central Time Lamar University will be doing some maintenance to replace a faulty UPS component and to do this they will be completely powering down their data center.

Unfortunately, this means that the site will be down during this time. I apologize for any inconvenience this might cause.

Paul
February 18, 2026

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Section 4.1 : Lines, Circles and Piecewise Functions

We’re not really going to do any graphing in this section. In fact, this section is here only to acknowledge that we’ve already looked at these equations and functions in the previous chapter.

Here are the appropriate sections to see for these.

Lines : Graphing and Functions – Lines

Circles : Graphing and Functions – Circles

Piecewise Functions : Graphing and Functions – Graphing Functions