
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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The avarage number of gallons W of bottle of water consumed each year by the consumer can be approximated by W=1.5d+17.85, where d is the number of years since 200.
(A) find the avaerge number of gallons of bottle of water consumed in 2001 (d=1), in 2001 and 2015
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