Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 1, -1, and 4 - 2i
A. f(x) = x4 - 8x3 + 19x2 + 8x - 20
B. f(x) = x4 - 8x3 + 19x2 + 8x + 20
C. f(x) = x4 + 8x3 + 19x2 + 8x - 20
D. f(x) = x4 + 8x3 + 19x2 + 8x + 20
Answer: A
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Item 13
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
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(distance in meters).
A. 70.71 joules
B. 10
joules
C. 100 joules
D. 100
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for which 
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A. 90.0° and 270.0° B. None C. 111.5° and 248.5° D. 109.5° and 246.5°
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A. 10/20/5, $1098.00 B. 10/20/5, $872.91 C. 25/30, $872.91 D. 25/30, $1098.00