Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - Mid-Chapter Quiz - Page 252: 7


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Work Step by Step

A linear function has a slope and y-intercept in the form y=mx+b. An easy way to determine if the function is linear or nonlinear is to see if the x- and y-values increase or decrease at a constant rate. However, if the line formed is a vertical line, then the slope is undefined and the function is not linear. Looking at this problem, the x-values increase by 2 and the y-values increase by 0. We have a horizontal line with a slope of 0 that intersects with the y-axis.
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