Solve the equation by completing the square.x2 - 10x + 29 = 0

A. {3, 7}
B. {5 ± 4i}
C. {5 ± 2i}
D. {5 + 2i}

Answer: C

Mathematics

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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 

A. 8? ft2/ft B. 16? ft2/ft C. 8 ft2/ft D. 4? ft2/ft

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Mathematics

Find the center and radius of the sphere.x2 + (y + 7)2 + (z - 1)2 = 64

A. C(0, 7, -1), a = 64 B. C(0, -7, 1), a = 64 C. C(0, 7, -1), a = 8 D. C(0, -7, 1), a = 8

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Mathematics

Find the quotient using long division.

A. x2 - x - 12 + 
B. x2 + 5x + 4 + 
C. x2 - 5x - 4 + 
D. x2 - 5x + 4 - 

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Mathematics

The function f is one-to-one. Find its inverse.f(x) = 4x

A. f-1(x) = 4x
B. f-1(x) = 
C. f-1(x) = 
D.  f-1(x) = -4x

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Mathematics