Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.4 Linear Functions - 2.4 Exercises: 32

Answer

$C$

Work Step by Step

RECALL: (1) The graph of the equation of the form $x=a$ is a vertical line. (2) The graph of the equation of the form $y=k$ is a horizontal line. The given equation is in the form $y=k$ where $k=-5$. Thus, its graph is a horizontal line. Since $k$ is negative, then the horizontal line is below the x-axis. Therefore, the answer is Option C.
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