Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 3; zeros: -2 and 3 + i.
A. f(x) = x3 - 8x2 + 2x + 20
B. f(x) = x3 - 4x2 - 2x + 20
C. f(x) = x3 - 4x2 - 10x + 20
D. f(x) = x3 - 6x2 - 10x + 20
Answer: B
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A. ? B. 1 C. 0 D. -1
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where 
(Round to the nearest decibel.)
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