Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Appendix D - Graphing Techniques - Exercises - Page 448: 12f


Graph "A" is the correct sketching.

Work Step by Step

For $y = |-x|,$ when $x=2, y=2, x=0, y=0$ and $x=-2, y=2$ The curve passes through $(2,2), (0,0)$ and $(-2,2)$. Since the graph of $y=|-x|$ is the same as the graph of $y=|x|$ and $y=|-x|$ can be seen as the reflection of $y=|x|$ across the y-axis as well , graph "A" is the correct sketching.
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