Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 1 - Functions and Their Graphs - Section 1.4 Library of Functions; Piecewise-defined Functions - 1.4 Assess Your Understanding - Page 85: 10



Work Step by Step

We can see that the graph is a horizontal line. Constant functions have the form of $y=c=0x+c$. Thus, they have zero slope and look like horizontal lines (they neither increase nor decrease). Hence, the graph matches with $A$: constant function.
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