Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - 4-1 Using Graphs to Relate Two Quantities - Lesson Check - Page 237: 2


The temperature slightly increases from 1 hour to 3 hours after noon. Then, the temperature decreases for the last four hours.

Work Step by Step

1 hour after noon, the temperature is 61 degrees. After another 2 hours, it goes up to 62, which is an increase. Through the final hours on the table, it is 58 degrees 5 hours after noon and 51 degrees 7 hours after noon. The temperature went up one, down four, and then down 7 degrees throughout the 7 hours of data received.
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