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Lesson 2.6 Rational Functions and Asymptotes. Graph the function: Domain: Range: Increasing/Decreasing: Line that creates a split in the graph:

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Presentation on theme: "Lesson 2.6 Rational Functions and Asymptotes. Graph the function: Domain: Range: Increasing/Decreasing: Line that creates a split in the graph:"— Presentation transcript:

1 Lesson 2.6 Rational Functions and Asymptotes

2 Graph the function: Domain: Range: Increasing/Decreasing: Line that creates a split in the graph:

3 Rational Functions Where N(x) and D(x) are polynomials Discontinuities: places where the graph “skips” or “jumps” Graph and look for discontinuities:

4 Discontinuities Hole: can be factored out Jumps: cannot be factored out Asymptotes (jumps) A horizontal or vertical line through which a graph is undefined Cannot be factored out

5 Finding location of asymptotes: Given ; n = degree of N(x), d = degree of D(x) Vertical asymptote(s): At zeros of D(x); Write “x = #” Horizontal asymptote(s): If n < d → → y = 0 If n = d →→ If n > d →→ no horizontal asymptote

6 Example Find all discontinuities of Problem Set 2.6


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