College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.3 - Getting Information from the Graph of a Function - 2.3 Exercises - Page 216: 55

Answer

See the explanation

Work Step by Step

a. at $6:00 AM$, $P(MW)=500$, at $6:00 PM$, $P(MW)=725$, b. between $3:00 AM$ and $4:00 AM$, Power Consumption is the lowest at $400MW$ c. at $12:00 PM$, Power Consumption is the highest at close to around $875$ d. at $9:00 AM$, $P=800$ at $7:00 PM$, $P=700$, net change is $700-800=-100$
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