Answer
$x=-2, 2$ and $y=1$
Work Step by Step
$x^2-4=0 \implies x^2=4$
or, $x=\pm 2$
Find the horizontal asymptotes. The degree of the numerator is equal to the degree of the denominator.
$y=\dfrac{1}{1}=2$
So, $x=-2, 2$ and $y=1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 4 - Review Exercises - Page 352: 7
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