Precalculus (10th Edition)

by Sullivan, Michael

Published by Pearson

ISBN 10: 0-32197-907-9

ISBN 13: 978-0-32197-907-0

Chapter 3 - Linear and Quadratic Functions - 3.3 Quadratic Functions and Their Properties - 3.3 Assess Your Understanding - Page 148: 104

Answer

$\sqrt {-x}$

Work Step by Step

Step 1. A reflection about the y-axis means that $f(x)$ becomes $f(-x)$. Step 2. For $y=\sqrt x$, the above reflection gives $y=\sqrt {-x}$ where $x\le0$.

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