Answer
Domain: all real numbers except $x=2$
Work Step by Step
$\frac{x^2+x-2}{x^2-4x+4}$
The denominator must be different from $0$.
$x^2-4x+4\ne0$
$x^2-2(2)x+2^2\ne0$
$(x-2)^2\ne0$
$(x-2)\ne0$
$x\ne2$
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: 4
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