College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Concept and Vocabulary Check - Page 132: 2


$2.4x + 31$

Work Step by Step

Since each year represents a 2.4 increase, we can deduce that, in $x$ years after 2000, we should expect an increase of $2.4x$%. Since the total percentage in 2000 was $31$%, the total percentage after $x$ years, therefore, should be $$2.4x + 31$$
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