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Unformatted text preview: lution for either of these.
(b) In this case if the absolute value is positive or zero then it will always be greater than or equal
to a negative number.
The solution for each of these is then all real numbers. © 2007 Paul Dawkins 151 http://tutorial.math.lamar.edu/terms.aspx College Algebra Graphing and Functions
Introduction
In this chapter we will be introducing two topics that are very important in an algebra class. We
will start off the chapter with a brief discussion of graphing. This is not really the main topic of
this chapter, but we need the basics down before moving into the second topic of this chapter.
The next chapter will contain the remainder of the graphing discussion.
The second topic that we’ll be looking at is that of functions. This is probably one of the more
important ideas that will come out of an Algebra class. When first studying the concept of
functions many students don’t really understand the importance or usefulness of functions and
function notation. The importance and/or u...
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This note was uploaded on 06/06/2012 for the course ICT 4 taught by Professor Mrvinh during the Spring '12 term at Hanoi University of Technology.
 Spring '12
 MrVinh

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