Trigonometry (10th Edition)

by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie

Published by Pearson

ISBN 10: 0321671775

ISBN 13: 978-0-32167-177-6

Appendix C - Functions - Page 435: 53

Answer

(a) $f(2)=15$ (b) $f(-1)=10$

Work Step by Step

(a) In the mapping, the domain element $2$ is paired with $15$ in the range. Therefore, $f(2)=15$. (b) In the mapping, the domain element $-1$ is paired with $10$ in the range. Therefore, $f(-1)=10$.

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