Precalculus (6th Edition)

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



Work Step by Step

Substitute the given values of the variables to obtain: $=\dfrac{9(-1)+2(-2)}{-1+(-2)+4} \\=\dfrac{-9+(-4)}{-3+4} \\=\dfrac{-13}{1} \\=\color{blue}{-13}$
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