Answer
$\color{blue}{-13}$
Work Step by Step
Substitute the given values of the variables to obtain:
$=\dfrac{9(-1)+2(-2)}{-1+(-2)+4}
\\=\dfrac{-9+(-4)}{-3+4}
\\=\dfrac{-13}{1}
\\=\color{blue}{-13}$
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 R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises - Page 83: 51
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