Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 1 - Limits and Their Properties - 1.5 Exercises - Page 89: 56

Answer

No. Check work for reasoning.

Work Step by Step

No, since the denominator does not necessarily have real roots. In fact, any denominator of form $x^n+c$ where $n$ is even and $c\gt0$ has no real roots.
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