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: 44

Answer

See Graph I
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Work Step by Step

For $y = x^2 − 2$, when $x = 2, y = 2;$ $x = 1, y = -1;$ $x = 0, y = -2;$ $x = -1, y = -1;$ $x = -2, y = 2$ As seen, $y = x^2 − 2$ is the vertical translation of $y = x^2$ down by 2 units also. Domain = $(-\infty, \infty)$ Range = $[−2, \infty)$
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