College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.5 - Rational Expressions - R.5 Exercises - Page 47: 2

Answer

$\{x|x\ne-7\}$

Work Step by Step

In this rational expression, the solution to the denominator cannot be zero. Solve the denominator for x. This is the restriction from the domain. $x+7=0$ $x=-7$ Put the domain in set notation. $\{x|x\ne-7\}$
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