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Objective: Students will be able to graph rational functions using their asymptotes and zeros.

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Presentation on theme: "Objective: Students will be able to graph rational functions using their asymptotes and zeros."— Presentation transcript:

1 Objective: Students will be able to graph rational functions using their asymptotes and zeros.

2 Graphs of Rational Functions An asymptote of a function is a line that continuously approaches the function but never touches it at any point.

3 Determining Properties of Hyperbolas Identify the asymptotes, domain, and range of the following rational functions. Example 1: Asymptotes: Domain: Range:

4 Example 2: Asymptotes: Domain: Range:

5 Rational Function Properties Discontinuous function – a function whose graph has one or more gaps or breaks. (ex: hyperbola) Continuous function – a function whose graph has no gaps or breaks. (ex: linear, quadratic, polynomial)

6 Graphing Rational Functions with Vertical Asymptotes Directions: Identify the zeros and vertical asymptotes of the function. Then graph. Example 3: Zeros: Vertical Asymptote:

7 Example 4 Zeros: Vertical Asymptote:

8

9 Example 5 Directions: Identify the zeros and asymptotes of each function. Then graph using the graphing calculator. f(x) =

10 Example 6 f(x) =

11 Example 7 f(x) =

12 Homework for tonight Homework # _____ Textbook pg. 345 # 20, 21, 23, 25, 26, 27


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