Sales of fishing boats fluctuate in cycles. The following cosine function can be used to estimate the
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Sales of fishing boats fluctuate in cycles. The following cosine function can be used to estimate the total amount of sales of fishing boats, y, in thousands of dollars, in month x, for a business: y = 15.328 cos (0.475x - 1.728) + 87.223. Approximate the total amount of sales to the nearest dollar for November and for March.
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Related Book For
Algebra And Trigonometry Graphs And Models
ISBN: 9780134179049
6th Edition
Authors: Marvin Bittinger, Judith Beecher, David Ellenbogen, Judith Penna
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