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 449: 61

Answer

Refer to the curve in Black in Graph I

Work Step by Step

For $f(x) = -\sqrt{x}$ when $x = 9, y = -3;$ $x = 4, y = -2;$ $x = 1, y = -1;$ $x = 0, y = 0$ As seen, $f(x) = -\sqrt{x}$ is the reflection across the $x$-axis of $f(x) = \sqrt{x}$. Domain = $[0, \infty)$ Range = $(-\infty, 0]$
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