Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Section 2.2 - Graphs of Functions - Exercise Set - Page 125: 69



Work Step by Step

Points on the graph: $(-2.5,2)$, so $f(-2.5)=2,$ $(1.9,-2)$, so $f(1.9)=-2,$ $(-\pi,3), $so $f(-\pi)=3,$ $(-3,2), $so $f(-3)=2,$ $(1,-2), $so $f(1)=-2$ $(\pi,-4), $so $f(\pi)=-4.$ So, we calculate $\sqrt{2-(-2)}-(3)^{2}+2\div(-2)\times(-4)=2-9+4=-3$
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