Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 2 - 2.3 - Analyzing Graphs of Functions - 2.3 Exercises - Page 194: 7


$D=(-2,2],R=[-1,8]$ a) -1; b) 0; c) -1; d) 8

Work Step by Step

First we determine the domain $D$ and the range $R$ of the function: $D=(-2,2]$ (the point $(-2,8)$ does not belong to the graph, so $-2\not \in D$) $R=[-1,8]$ From the graph we determine the function's values: a) $f(-1)=-1$ b) $f(0)=0$ c) $f(1)=-1$ d) $f(2)=8$
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