College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.6 - Transformations of Functions - 2.6 Exercises - Page 242: 5


$y$-axis symmetry

Work Step by Step

If $f$ is an even function, then it must have $y$-axis symmetry, since $f(-x)=f(x)$. In other words, the graph looks the same on the left and right sides of the $y$-axis.
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