Find the polar coordinates, 
and 
, of the point given in Cartesian coordinates.(
, -
)
A. 
B. 
C. 
D. (
Answer: A
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the tangent line(s) at the pole for the curve 
A. ? = 0 (y = 0), ? = 
(y = x), ? = 
(x = 0), ? = 
(y = -x)
B. ? = 
[y = 
x], ? = 
[y = - 
x]
C. ? = 0 (y = 0), ? = 
(x = 0)
D. ? = 
(y = x), ? = 
(y = -x)
Mathematics
Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. 3x2y5
B. x2
C. 3xy
D. 18x2y5
Mathematics
Solve the system of equations numerically (table of values).y = x - 4y = -x + 14
A. (10, 18) B. (9, 5) C. (5, 9) D. (18, 10)
Mathematics