Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
where x is the time in months, with x = 1 corresponding to January, 
and 
Determine the month with the greatest total sales and give the sales in that month.
A. December; $11,900
B. March; $11,900
C. June; $8300
D. September; $4700
Answer: B
Mathematics
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