Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the counterclockwise path around the circle x2 + y2 = 16
A. 0
B. 32?
C. 8?
D. 64?
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.x - 6 < -7
A. (-?, -1)
B. (-?, -13)
C. (-1, ?)
D. (-?, -13]
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Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-4
A. 4(cos 0° + i sin 0°) B. 4(cos 90° + i sin 90°) C. 4(cos 270° + i sin 270°) D. 4(cos 180° + i sin 180°)
Mathematics
Select a direction field for the differential equation 
from a set of direction fields labeled I-IV.
Mathematics