Determine the possible number of positive real zeros and negative real zeros of the polynomial function using Descartes' rule of signs.f(x) = x5 - 1.8x4 - 14.77x3 + 3x2 + 31.18x - 10.537
A. 3 or 1 positive zeros, 3 or 1 negative zeros
B. 2 or 0 positive zeros, 2 or 0 negative zeros
C. 2 or 0 positive zeros, 3 or 1 negative zeros
D. 3 or 1 positive zeros, 2 or 0 negative zeros
Answer: D
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A. 
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