Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- 
+ 
- ... + (-1)(11 + 1) 
11
A. 
i
B. 
i
C. 
D. 
i
Answer: B
Mathematics
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Find the area of the shaded region.
A. 
B. 
C. 32
D. 
Mathematics
Find the volume of the solid generated by revolving the region about the given line.The region bounded above by the line 
, below by the curve 
, and on the right by the line 
, about the line 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Draw a unit circle centered at the origin and sketch ?A = 240°. Label as P where the side of A, not on the x-axis, intersects the unit circle. Find and label the coordinates of P on the unit circle.
What will be an ideal response?
Mathematics