Decompose into partial fractions.

A. 2x - 5 -  + 
B. 2x + 5 -  + 
C. 2x + 5 -  + 
D. 2x - 5 -  + 


Answer: B

Mathematics

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Express as a single logarithm and, if possible, simplify.logax + loga y

A. loga (xy2/21)
B. loga (x2/3 + y1/7)
C. loga (x2/3 y1/7)
D.  loga xy

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Find the surface area of the surface S.S is the upper cap cut from the sphere x2 + y2 + z2 = 169 by the cylinder .

A. 26? B. 13 C. 650? D. -26?

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Decide whether the sets are equal.{6, 12, 18, 24, 48} and {6, 12, 18, 24, ..., 48}

A. Yes B. No

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Find the vertex, focus, and directrix of the parabola with the given equation.(x - 4)2 = -8(y - 3)

A. vertex: (-4, -3)   focus: (-4, -5)   directrix: y = -1 B. vertex: (4, 3)   focus: (4, 1)   directrix: y = 5 C. vertex: (4, 3)   focus: (4, 5)   directrix: x = 1 D. vertex: (3, 4)   focus: (3, 2)   directrix: y = 6

Mathematics