Answer
$f(-0.5)=-8$
Work Step by Step
To find $f(-0.5)$, substitute $-0.5$ to $x$ in $f(x)$ to obtain:
$f(x) =-2x^2+3x-6
\\f(-0.5)=-2(-0.5)^2+3(-0.5)-6
\\f(-0.5)=-2(0.25)-1.5-6
\\f(-0.5)=-0.5-1.5-6
\\f(-0.5)=-2-6
\\f(-0.5)=-8$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 2 - Graphs and Functions - Chapter 2 Test Prep - Review Exercises - Page 297: 34
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