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Poly and Rational

2.1 Polynomial Functions

Explanation
- Notes | Answers
Practice Problems
- Worksheet

2.2 Real Zeros of Polynomial Functions

Explanation
- Notes | Annotated
- Khan video: Zeros of polynomials (with factoring): grouping
- Khan video: Zeros of polynomials (with factoring): common factor
Practice Problems
- Worksheet
- Khan Exercise: Zeros of polynomials (with factoring)

2.3 Complex Numbers

Explanation
- Notes | Answers
Practice Problems
- Worksheet

2.4 Complex Zeros

Explanation
- Notes | Answers
Practice Problems
- Worksheet

2.5 Rational Functions: domain, vertical asymptotes, and holes

Explanation
- Notes
- Khan video: Why Dividing by Zero is Undefined
- Khan video: Why Zero Divided by Zero is Undefined/Indeterminate
- Khan video: Discontinuities of rational functions
Practice Problems
- Worksheet
- Khan exercise: Rational functions: zeros, asymptotes, and undefined points

2.6 End Behavior of Rational Functions

Explanation
- Notes | Answers
- Khan video: End behavior of rational functions
Practice Problems
- Worksheet
- Khan Exercise: End behavior of rational functions

2.7 Graphing Rational Functions

Explanation
- Notes | Answers
- Khan video: Graphing rational functions according to asymptotes
- Khan video: Graphs of rational functions: y-intercept
- Khan video: Graphs of rational functions: horizontal asymptote
- Khan video: Graphs of rational functions: vertical asymptotes
- Khan video: Graphs of rational functions: zeros
Practice Problems
- Worksheet
- Khan exercise: Graphs of rational functions

2.8 Rational Inequalities

Explanation
- Notes | Answers
Practice Problems
- Worksheet

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