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Please do not email me to get solutions and/or answers to these problems. I will not give them out under any circumstances nor will I respond to any requests to do so. The intent of these problems is for instructors to use them for assignments and having solutions/answers easily available defeats that purpose.
If you are looking for some problems with solutions you can find some by clicking on the "Practice Problems" link above.
Section 4.1 : Lines, Circles and Piecewise Functions
We looked at these topics in the previous chapter. Problems for these topics can be found in the following sections.
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