Multiply.(x + 8)(x3 + 3x - 9)
A. x3 + 11x2 + 15x - 72
B. x4 + 8x3 + 3x2 + 33x - 72
C. x4 + 3x2 - 9x + 8
D. x4 + 8x3 + 3x2 + 15x - 72
Answer: D
Mathematics
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?
A.
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B.
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C.
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D.
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E.
?None of the above.
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Find the flux of the vector field F across the surface S in the indicated direction.F = 7xi + 7yj + 7zk , S is the surface of the sphere x2 + y2 + z2 = 4 in the first octant, direction away from the origin
A. 
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B. 28?
C. 0
D. 56?
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For the given polynomial function, find the requested value.f(x) = 9x2 + 5x - 5; find f(2)
A. 23 B. 31 C. 41 D. 37
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Round the decimal to the given place value.124.123474
hundred-thousandth
A. 124.12346 B. 124.12348 C. 124.12347 D. 124.1235
Mathematics