Solve using Cramer's rule.2x + 5y = 73x + y = -9

A. (3, -4)
B. (-3, -4)
C. (-4, 3)
D. (4, -3)


Answer: C

Mathematics

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Find the phase shift of the function.y = -3 - 2 sin 

A.  units to the right
B.  units to the right
C.  units to the left
D.  units to the left

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Provide an appropriate response.It is not necessary to align the decimals when you add.

A. True B. False

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Find the requested composition of functions.Given f(x) = 4x2 + 3x + 4  and g(x) = 3x - 6, find (g ? f)(x).

A. 12x2 + 9x + 18 B. 4x2 + 9x + 6 C. 12x2 + 9x + 6 D. 4x2 + 3x - 2

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Solve the problem.Determine whether the ordered triple  is a solution of the system of equations.9x - 9y - 6z = -116x + 3y - 3z = 1 x - y + 2z = -3

A. No B. Yes

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