Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.3 Functions - 2.3 Exercises: 53

Answer

$g(-2)=-11$

Work Step by Step

To find the value of $g(-2)$, substitute $-2$ to $x$ in $f(x)$ to obtain: $g(x)=-x^2+4x+1 \\g(-2)=-(-2)^2+4(-2)+1 \\g(-2)=-4+(-8)+1 \\g(-2)=-12+1 \\g(-2)=-11$
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