Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 6 - Section 6.1 - Rational Functions and Multiplying and Dividing Rational Expressions - Vocabulary, Readiness & Video Check - Page 345: 13

Answer

x must be greater than or equal to 0.

Work Step by Step

Here, a negative number does not make sense, for it does not make sense to think of the years that occurred before the book was published. Thus, we must restrict the domain to all numbers that are greater than or equal to 0.
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