Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - 4-3 Patterns and Nonlinear Functions - Lesson Check - Page 249: 4


a. linear function b. nonlinear

Work Step by Step

To start with a, the graph is a straight line. An easy way to remember is that "linear" has line, so if the graph is a straight line, it is linear. Then to b, it looks like a sine or cosine graph which is wavy shaped. So it is non linear since it does not follow a set rule.
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