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: 33



Work Step by Step

To find $f(3)$, substitute 3 to $x$ in $f(x)$ to obtain: $f(x) =-2x^2+3x-6 \\f(3)=-2(3)^2+3(3)-6 \\f(3)=-2(9)+9-6 \\f(3)=-18+9-6 \\f(3)=-9-6 \\f(3)=-15$
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