Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 2 - Section 2.6 - Function Notation and Linear Functions - 2.6 Exercises: 75

Answer

By looking at the graph, the slope is negative if the line is inclined to the left, is positive if the line is inclined to the right, and is $0$ if the line is horizontal

Work Step by Step

Use the generalization on the values of slopes and their corresponding orientation of the line.
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