College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 4, Exponential and Logarithmic Functions - Chapter 4 Review - Concept Check - Page 425: 19


Domain: $x\lt-2$ or $x\gt2$

Work Step by Step

We must have that: $x^2-4\gt0$ $x^2\gt4$ $|x|^2\gt4$ $|x|\gt2$ $x\lt-2$ or $x\gt2$
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