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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 6.

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 6.

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 cos 6. where t is the time (in months), with t = 1 corresponding to January. %3D Determine the months when sales exceed 7700 units at any time during the month. O August through April O April through August March through August March through September O May through September For the point (r , 0) r is the [ Select ] O from O to P and is the [ Select ] O counterclockwise from the polar axis to the line segment ОР
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 cos 6. where t is the time (in months), with t = 1 corresponding to January. %3D Determine the months when sales exceed 7700 units at any time during the month. O August through April O April through August March through August March through September O May through September For the point (r , 0) r is the [ Select ] O from O to P and is the [ Select ] O counterclockwise from the polar axis to the line segment ОР
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