Trigonometry (11th Edition) Clone

Published by Pearson

Appendix C - Functions - Page 437: 51

Answer

(a) $f(2)=2$ (b) $f(-1)=3$

Work Step by Step

(a) Here we require the y-value of the ordered pair when $x=2$. As indicated by the ordered pair $(2,2)$, when $x=2$, $y=2$. Therefore, $f(2)=2$. (b) Here we require the y-value of the ordered pair when $x=-1$. As indicated by the ordered pair $(-1,3)$, when $x=-1$, $y=3$. Therefore, $f(-1)=3$.

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