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Horizontal Asymptotes

Horizontal Asymptotes. Vertical Asymptotes. Last time, we learned about vertical asymptotes, and that they are determined by the denominator of a rational function. There are asymptotes at 3 and -6. Horizontal Asymptotes.

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Horizontal Asymptotes

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  1. Horizontal Asymptotes

  2. Vertical Asymptotes Last time, we learned about vertical asymptotes, and that they are determined by the denominator of a rational function. There are asymptotes at 3 and -6.

  3. Horizontal Asymptotes To find a horizontal asymptotes, we focus on the degree of the numerator and the denominator. What’s the degree? What’s the degree?

  4. How do we use degrees to find the horizontal asymptote? BOBO BOTN EATS DC

  5. BOBO Bigger On Bottom, y = O Degree of 3 Degree of 5 The degree is bigger on the bottom, so the horizontal asymptote is the line y = 0.

  6. BOTN Bigger On Top, No HA Degree of 6 Degree of 3 The degree is bigger on the top, so there is no horizontal asymptote.

  7. EATS DC Exponents Are The Same, Divide Coefficients Degree of 3 Degree of 3 The degrees are the same, so divide the leading coefficients. The horizontal asymptote is y = 2.

  8. Try it out!

  9. Quick Recap! Vertical Asymptote Horizontal Asymptote Find the degree of the numerator and denominator. Use BOBO BOTN EATS DC to find the horizontal asymptote. Use the denominator of the fraction. Determine what values of x make the denominator = 0.

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