Precalculus (6th Edition)

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



Work Step by Step

To find $f(-0.5)$, substitute $-0.5$ to $x$ in $f(x)$ to obtain: $f(x) =-2x^2+3x-6 \\f(-0.5)=-2(-0.5)^2+3(-0.5)-6 \\f(-0.5)=-2(0.25)-1.5-6 \\f(-0.5)=-0.5-1.5-6 \\f(-0.5)=-2-6 \\f(-0.5)=-8$
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