Precalculus (6th Edition)

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

Chapter 2 - Graphs and Functions - 2.5 Equations of Lines and Linear Models - 2.5 Exercises - Page 242: 10



Work Step by Step

RECALL: The graph of the equation $y=k$ where $k$ is a real number is a horizontal line whose y-intercept is $(0, k)$. Notice that the graph in Option A is a horizontal line whose y-intercept is $(0, 4)$. Thus, the graph of the given equation is the one in Option $A$.
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