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The rate of U.S. sales of bottled water for the period 2007-2014 could be approximated by s(t) = 0.08t²0.26t+ 8.8 billion gallons per year (0 ≤ t ≤ 7), where t is time in years since the start of 2007.† (a) Estimate the average annual sales of bottled water over the period 2007-2011, to the nearest 100 million gallons per year. x billion gallons per year 9.20 (b) Compute the 5-year moving average of s. (You need not simplify the answer.) (c) Without simplifying the answer in part (b), say what kind of function the moving average is. O constant O linear O quadratic O cubic O none of these

The rate of U.S. sales of bottled water for the period 2007-2014 could be approximated by s(t) = 0.08t²0.26t+ 8.8 billion gallons per year (0 ≤ t ≤ 7), where t is time in years since the start of 2007.† (a) Estimate the average annual sales of bottled water over the period 2007-2011, to the nearest 100 million gallons per year. x billion gallons per year 9.20 (b) Compute the 5-year moving average of s. (You need not simplify the answer.) (c) Without simplifying the answer in part (b), say what kind of function the moving average is. O constant O linear O quadratic O cubic O none of these

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The rate of U.S. sales of bottled water for the period 2007-2014 could be approximated by s(t) = 0.08t² - 0.26t+ 8.8 billion gallons per year (0 st≤ 7), where t is time in years since the start of 2007.† (a) Estimate the average annual sales of bottled water over the period 2007-2011, to the nearest 100 million gallons per year. * billion gallons per year 9.20 (b) Compute the 5-year moving average of s. (You need not simplify the answer.) (c) Without simplifying the answer in part (b), say what kind of function the moving average is. O constant O linear quadratic O cubic none of these
Transcribed Image Text:The rate of U.S. sales of bottled water for the period 2007-2014 could be approximated by s(t) = 0.08t² - 0.26t+ 8.8 billion gallons per year (0 st≤ 7), where t is time in years since the start of 2007.† (a) Estimate the average annual sales of bottled water over the period 2007-2011, to the nearest 100 million gallons per year. * billion gallons per year 9.20 (b) Compute the 5-year moving average of s. (You need not simplify the answer.) (c) Without simplifying the answer in part (b), say what kind of function the moving average is. O constant O linear quadratic O cubic none of these
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