Perform the indicated operations and express your answer in the form a + bi. 

A. -13i
B. -13
C. 13
D. 13i

Answer: D

Mathematics

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Find the domain of the given function.f(x) = 

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

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Find the remaining zeros of a polynomial with real coefficients and having the specified degree and zeros.Degree 6; zeros: 2, 3 + i, -2 - i, 0

A. 3 - i, -2 + i B. -3 + i, 2 - i C. -3 - i, 2 + i D. -2, 3 - i, -2 + i

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Find the derivative of y with respect to x, t, or ?, as appropriate.y = (x2 - 2x + 8) ex 

A. (x2 + 4x + 6) ex 
B.  ex 
C. (2x - 2) ex 
D. (x2 + 6) ex 

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Mathematics

Perform the indicated operation. Make sure you simplify your final answer. ? 

A.  
B.  
C.
D.  

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Mathematics