Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 3 - Section 3.6 - Rational Expressions - 3.6 Exercises - Page 309: 70

Answer

Slant asymptotes: $y=x+3$, Vertical asymptote: $x=1$ See graph.

Work Step by Step

1. To find the slant asymptote, we use synthetic division as shown in the figure to get the quotient, 2. Based on the division results, we have $r(x)=\frac{x^2+2x}{x-1}=x+3+\frac{3}{x-1}$, 3. The slant asymptotes can be identified as $y=x+3$, 4. The vertical asymptote can be found as $x=1$ 5. The graph of the function is shown in the figure.
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