Graphing Rational Functions

A Differentiated (Pre)Calculus Lightboard Lecture by Julian Trujillo

3-step process for graphing rational functions. Includes zeros (roots), horizontal asymptotes, and vertical asymptotes.
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0:00 Introduction
0:24 1) Finding Zeros (x-intercepts)
2:00 2) Finding Asymptotes
3:55 3) Test Points
4:40 An Example Rational Function
7:14 Sketching the Graph of Example