The sales S (in thousands of units) of a seasonal product are given by the model    S = 74.50 + 43.75 sin πt/6            where t is the time in months, with t = 1 corresponding to January. Find the average sales for each time period. (a) The first quarter (0 ≤ t ≤ 3)                    (b) The second quarter (3 ≤ t ≤ 6) (c) The entire year (0 ≤ t ≤ 12)

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter2: Graphical And Tabular Analysis
Section2.3: Solving Linear Equations
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The sales S (in thousands of units) of a seasonal product are given by the model    S = 74.50 + 43.75 sin πt/6            where t is the time in months, with t = 1 corresponding to January. Find the average sales for each time period. (a) The first quarter (0 ≤ t ≤ 3)                    (b) The second quarter (3 ≤ t ≤ 6) (c) The entire year (0 ≤ t ≤ 12)

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