Answer
$[-777.68, 936.42]$
Work Step by Step
The Dow's 777.68 change was a loss, making the value $-777.68$. It's 936.42 change was a gain, making the value $936.42$.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - 1.4 Positive and Negative Real Numbers - 1.4 Exercise Set - Page 35: 15
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