Solve. x - y + 4z = 204x + z = 4 x + 3y + z = -8

A. (4, 0, -4)
B. (4, -4, 0)
C. (0, -4, 4)
D. (0, 4, -4)

Answer: C

Mathematics

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A.  , 
B. , 
C. , 
D. - , - 

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Use the quadratic formula to solve the equation. If the equation has no real number solution, so state.6x2 = -10x - 2

A. x = 
B. x = 
C. x = 
D. x = 

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Provide an appropriate response.True or False? If x > 10 then 10x > 100.

A. True B. False

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For the pair of functions, find the indicated domain.f(x) = x2 - 4, g(x) = 2x + 3Find the domain of f ? g.

A. (-2, 2) B. [2, ?) C. [0, ?) D. (-?, ?)

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