Solve the nonlinear system of inequalities. +  ? 1 +  ? 1

A.

B.

C.

D.

Answer: A

Mathematics

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A.

B.

C.

D.

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Find the phase shift of the function.y = -5 cos (2x + ?)

A.  units to the left
B.  units to the left
C. 2? units to the right
D. 5? units to the right

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

A. (-?, ?) B. (-?, -3] ? [-3, ?) C. (-?, -5) ? (-5, ?) D. (-?, -3) ? (-3, ?)

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Multiply.(5 - 5i)(4 + 6i)

A. 50 - 10i B. -30i2 + 10i + 20 C. -10 - 50i D. 50 + 10i

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