Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.1 - Graphs and Graphing Utilities - Exercise Set: 45

Answer

(a) x-intercept = -1 (b) no y-intercept

Work Step by Step

RECALL: (1) The x-intercept is the x-coordinate of the point where the graph crosses/touches the x-axis. (2) The y-intercept is the y-coordinate of the point where the graph crosses/touches the y-axis. Notice that the graph crosses the x-axis at $(-1, 0)$ but does not cross nor touch the y-axis. This means that the graph has: (a) x-intercept/s = -1 (b) no y-intercept
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