Solve the problem.Find the centroid of the infinite region in the first quadrant bounded by the coordinate axes and the curve 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: B
Mathematics
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Answer the question.If y = sin ?, what is csc ? in terms of y?
A. csc ? = 
B. csc ? = 
C. csc ? = 1 - y
D. csc ? = 
Mathematics
Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = cos-1
A. 
B. ?
C. 1
D. No limit
Mathematics
Add.21,633 + 24,054 + 5,669
A. 50,356 B. 51,356 C. 86,356 D. 49,351
Mathematics
Find the domain and range.{(4,5), (-5,-3), (10,-8), (10,2)}
A. domain = {5, -3, -8, 2}; range = {4, -5, 10} B. domain = {4, -5, 10, -10}; range = {5, -3, -8, 2} C. domain = {4, -5, 10, 20}; range = {5, -3, -8, 2} D. domain = {4, -5, 10}; range = {5, -3, -8, 2}
Mathematics