+ # Rational Functions Pathway

After completing the Rational Expressions pathway, you would have gained an understanding of what a rational expression is, however you might ask "Why bother studying this?" The answer:  rational functions exist in the real world!  The Rational Functions pathway answers this question by observing Rational Functions in the Real World. In addition, you will gain an understanding of the behavior of rational functions and how Asymptotes and Rational Functions are related.

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### Concepts Covered

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• 1 Rational Functions Try this one next!
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• 2 The Graph of a Rational Equation
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• 3 Degree in Rational Equations
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• 4 Rational Functions in the Real World
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• 8 Direct and Indirect Variation
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• 9 Combined Variation
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• 10 Joint Variation
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• 11 Asymptotes And Rational Functions
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• 14 Graphing Vertical Asymptotes
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• 17 Graphing Horizontal Asymptotes
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• 18 Slant Asymptotes
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• 20 Graphing a Slant Asymptote
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• 21 Determining the Nature of the Asymptotes
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• 22 Finding the Zeros of a Rational Function
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• 23 Determining the Y Intercept
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• 24 Holes in Rational Equations
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• 25 Finding a Hole in the Graph
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• 26 Graphing Rational Functions
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• 27 Rational Inequalities
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• 28 Graphing Rational Inequalities
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• 29 Real World Rational Inequalities