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Published byEthan Hoover Modified over 9 years ago
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Lesson 2.6 Rational Functions and Asymptotes
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Graph the function: Domain: Range: Increasing/Decreasing: Line that creates a split in the graph:
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Rational Functions Where N(x) and D(x) are polynomials Discontinuities: places where the graph “skips” or “jumps” Graph and look for discontinuities:
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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
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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
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Example Find all discontinuities of Problem Set 2.6
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