Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.x3/8 ? x5/8
A. x
B. x15/64
C. x15/8
D. 
Answer: A
Mathematics
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = (y-x)i + (z-y)j + (z-x)k ; D: the region cut from the solid cylinder x2 + y2 ? 64 by the planes z = 0 and 
A. -640 B. 0 C. -640? D. 640?
Mathematics
Find the first year's depreciation using the sum-of-the-years'-digits method of depreciation. Round to the nearest dollar.
A. $21,571 B. $14,500 C. $24,857 D. $65,143
Mathematics
Solve the equation by completing the square.x2 = 3 - 4x
A. {-2 ± 2
}
B. {-1 ± 
}
C. {-2 ± 
}
D. {2 + 
}
Mathematics
Begin by graphing the standard quadratic function f(x) = x2 . Then use transformations of this graph to graph the given function.g(x) = - 
(x - 2)2 + 3
A. 
B. 
C. 
D. 
Mathematics