Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Section 3.1 - Reading Graphs and the Rectangular Coordinate System - Exercise Set: 14

Answer

1991

Work Step by Step

Take a look at the y axis. Draw an imaginary line at 20 and check when the graph hits that line
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