Solve the problem.The maximum monthly average temperature in Smithville is 89° in July, and the minimum is 37° in January. Determine  so that f models the monthly average temperature in Smithville, where x is the month and  corresponds to January.

A. f = 26 cos  + 63
B. f = 26 cos  + 63
C. f = 63 cos  + 26
D. f = 26 cos  + 63


Answer: A

Mathematics

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