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. March; $11,000
B. June; $7100
C. December; $11,000
D. September; $3200
Answer: A
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
Find the sum of the series.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The table lists in thousands the number of people expected to be over 100 years old in a certain country.
Determine whether a linear, quadratic, cubic, or quartic polynomial best fits this data.
A. Linear B. Quadratic C. Cubic D. Quartic
Mathematics
Find the value. Give an approximation to four decimal places.log 4176
A. 8.3371 B. 3.6208 C. 3.6218 D. 3.6197
Mathematics