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. June; $7700
B. December; $10,700
C. September; $4700
D. March; $10,700
Answer: D
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Find the formula and limit as requested.For the function f(x) = 4x2+ 4, find a formula for the upper sum obtained by dividing the interval [0, 3] into n equal subintervals. Then take the limit as n?? to calculate the area under the curve over [0, 3].
A. 12 + 
; Area = 48
B. 12 + 
; Area = 48
C. 12 + 
; Area = 12
D. 12 + 
; Area = 36
Calculate the derivative of the function. Then find the value of the derivative as specified.g(x) = - 
; g '(-2)
A. g '(x) = - 2; g '(- 2) = - 2
B. g '(x) = - 
; g '(- 2) = - 
C. g '(x) = - 2x2; g '(- 2) = - 8
D. g '(x) = 
; g '(-2) = 
Graph the ellipse.16(x + 2)2 + 9(y - 1)2 = 144 
A. 
B. 
C. 
D. 
Convert the polar equation to rectangular coordinates. r + cos? = 3
What will be an ideal response?