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# Unit 13: Rational expressions, equations, & functions

## About this unit

This topic covers:

- Simplifying rational expressions
- Multiplying, dividing, adding, & subtracting rational expressions
- Rational equations
- Graphing rational functions (including horizontal & vertical asymptotes)
- Modeling with rational functions
- Rational inequalities
- Partial fraction expansion

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Test your understanding of

**Rational expressions, equations, & functions**with these NaN questions.