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Graphing a Rational Expression - Problem 6

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Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

There are multiple key features for rational functions, including vertical and horizontal asymptotes (and whether or not the horizontal asymptotes are crossed,) holes, intercepts, and end behavior. Even all of these features may not be enough to draw a sketch with confidence: it is often useful to substitute in x values on either side of the vertical asymptotes.

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