Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Mid-Chapter Check Point - Page 228: 19


$x=-7$ and $x=3$

Work Step by Step

$f(x)$ represents the value of the function $f$ at $x$. Note that the graph passes through the points $(-7, -2)$ and $(3, -2)$. Thus, $f(-7) = -2$ and $f(3) = -2$. Therefore. the values of $x$ for which $f(x)=-2 $ are -7 and 3.
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