Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.9 - 
+ 
- 
+ ... + (-1)n-1 
+ ...
A. 
; 18
B. 
; 6
C. 
; 18
D. 
; 6
Answer: B
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Solve.The function 
represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?
A. 5.5 B. 8.67 C. 13 D. 6.5
Determine whether the slope of the line is positive, negative, zero, or undefined.
A. undefined B. negative C. positive D. zero
Use your graphing calculator to convert the complex number to trigonometric form. Round the angle to the nearest hundredth of a degree.
?
What will be an ideal response?
Solve the problem.If there are x teams in a sports league and all the teams play each other twice, a total of N(x) games are played, where N(x) = x2 - x. A soccer league has 6 teams, each of which plays the others twice. If the league pays $48 per game for the field and officials, how much will it cost to play the entire schedule?
A. $1536 B. $1728 C. $2016 D. $1440