Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 2
B. 
; 1
C. 
; 1
D. 
; 2
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Evaluate the expression.8x - 7(x + 7), where x = -3
A. -52 B. -55 C. -47 D. -66
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Graph the solution set of the system of inequalities.y ? - x2 - 6x - 4y ? x2 + 6x + 4
A. 
B. 
C. 
D. 
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A. Axis of symmetry is x = 3.
B. Axis of symmetry is y = -3.
C. Axis of symmetry is x = -3.
D. Axis of symmetry is y = 3.
Mathematics