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. 
; 
Answer: D
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Write the first four elements of the sequence. 
n
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 1, 
, 
, 
D. 
, - 
, 
, - 
Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation p = -10x + 240, 0 ? x ? 24.What price should the company charge to maximize revenue?
A. $6 B. $18 C. $12 D. $14.4
Expand the expression using the Binomial Theorem.(3x - 3y)3
A. 27x3 - 27x2y + 27xy2 - 27y3 B. 9x3y - 9x2y2 + 9xy3 C. 27x3 - 81x2y + 81xy2 - 27y3 D. 9x3y - 18x2y2 + 9xy3
The sequence is defined recursively. Write the first four terms.a1 = -10; an = n - an - 1
A. a1 = -10, a2 = -20, a3 = 10, a4 = -30 B. a1 = -10, a2 = -8, a3 = 11, a4 = -7 C. a1 = -10, a2 = 12, a3 = -9, a4 = 13 D. a1 = -11, a2 = -8, a3 = -10, a4 = -7