Answer
$[-80, 100]$
Work Step by Step
The high temperature is 100°F. Since it was 100° above zero, the value is $100$. However, since the low temperature is -80°F, 80° below zero, the value is $-80$.
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: 13
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