Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = x4 + 20x2 + 64
A. f(x) = (x + 2i)(x - 2i)(x + 4i)(x - 4i)
B. f(x) = (x + 2 + 4i)2(x + 2 - 4i)2
C. f(x) = (x + 2i)2(x + 4i)2
D. f(x) = (x + i)(x - i)(x + 8i)(x - 8i)
Answer: A
Mathematics
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x = 2 + 
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Solve the inequality and graph the solution.
(x + 7) > 
(x + 7)
A. x > - 7
B. x ? 0
C. x < - 7
D. x ? 0
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A. 28 in. B. 21 in. C. 252 in. D. 84 in.
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