Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.3 - Graphing Equations - Exercise Set - Page 38: 50


1990, 28%.

Work Step by Step

Between 1950 and 2010, the year during which the United States had the lowest lowest marginal tax rate is the point where the plot goes to its lowest point. As per the graph, it is 1990. So, 1990 is the answer. Also, the estimated tax rate during 1990 is slightly less than 30%, i.e. 28%. So, 28% is the answer.
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