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The monthly sales S (in hundreds of units) of baseball equipment for an Internet sporting goods site are approximated by S = 60.1-43.9 cos where t is the time (in months), with t = 1 corresponding to January. Determine the months when sales exceed 7700 units at any time during the month. O August through April

The monthly sales S (in hundreds of units) of baseball equipment for an Internet sporting goods site are approximated by S = 60.1-43.9 cos where t is the time (in months), with t = 1 corresponding to January. Determine the months when sales exceed 7700 units at any time during the month. O August through April

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 monthly sales S (in hundreds of units) of baseball equipment for an Internet sporting goods site are approximated by S = 60.1 - 43.9 cost where t is the time (in months), with t = 1 corresponding to January. Determine the months when sales exceed 7700 units at any time during the month. August through April May through September April through August March through August March through September
Transcribed Image Text:The monthly sales S (in hundreds of units) of baseball equipment for an Internet sporting goods site are approximated by S = 60.1 - 43.9 cost where t is the time (in months), with t = 1 corresponding to January. Determine the months when sales exceed 7700 units at any time during the month. August through April May through September April through August March through August March through September
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