Calculate the circulation of the field F around the closed curve C.F = xyi + 9j , curve C is r(t) = 5 cos ti + 5 sin tj , 0 ? t ? 2?
A. 0
B. 18
C. 
D. 
Answer: A
Mathematics
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Write each expression using the LCD as the denominator.
, 
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
List all numbers from the set that are of the type indicated.
Integers
A. 
, 
, 
, 
B. 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
Mathematics
Factor out the GCF from the polynomial.48x8y9 + 80x4y7 - 24x2y3
A. 8(6x8y9 + 10x4y7 - 3x2y3) B. -8x2y3(-6x6y6 + 10x2y4 + 3) C. 8x2(6x6y9 + 10x2y7 - 3y3) D. 8x2y3(6x6y6 + 10x2y4 - 3)
Mathematics
Find the domain of the function.g(x) = 
A. {x|x ? -9, 9} B. {x|x ? 0} C. all real numbers D. {x|x > 81}
Mathematics