Solve the problem.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, and replacing x by 
.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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State the y-intercept and slope of the graph of the given equation.y = 11x - 2
A. y-intercept 2; slope 11 B. y-intercept 11; slope 2 C. y-intercept 2; slope -11 D. y-intercept -2; slope 11
Mathematics
Find factors or multiples as indicated for the number or numbers given.484; all factors
A. 1, 2, 4, 11, 22, 33, 44, 121, 242, 484 B. 1, 2, 4, 11, 22, 44, 121, 242, 484 C. 1, 2, 11, 121, 484 D. 1, 2, 3, 4, 11, 22, 121, 242, 484
Mathematics
Solve the equation. 
= 9
A. -9 B. 9 C. -9, 9 D. 81
Mathematics
Sketch D and g(D) from the description of D and change of variables 
u = xy, v = 
where D is the rectangle 1 ? x ? 4, 
? y ? 2
?
A.
 ? |  |
B.
 ? |  |
C.
 ? |  |
D.
 ? |  |
Mathematics