Find the flux of the vector field F across the surface S in the indicated direction.F = 5xi + 5yj + z5k; S is portion of the cylinder x2 + y2 = 1 between z = 0 and z = 3; direction is outward
A. 30?
B. -30?
C. 15
D. 30
Answer: A
Mathematics
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Express the sum or difference as a product of sines and/or cosines.cos(10?) - cos(4?)
A. -2 sin(7?) sin(3?) B. -2 cos(7?) sin(3?) C. 2 cos(7?) cos(3?) D. 2 cos(3?)
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Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a12 when a = -6, r = -3.
A. 1,062,882 B. 1,062,886 C. -39 D. -3,188,646
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For the pair of functions, perform the indicated operation.f(x) = 
, g(x) = 
Find (f ? g)(x).
A. (
)(
)
B. (2x + 5)(25x - 16)
C. (2x + 5)(5x - 4)
D. (5x - 4)(
)
Mathematics
Graph the equation.(y + 2)2 = -7(x + 2)
A. 
B. 
C. 
D. 
Mathematics