Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 3x6 - 9x4 - 8x3 + 5x2 - 4x
A. 1 or 3 positive; 0 or 2 negative
B. 1 or 3 positive; 2 negative
C. 0 or 2 positive; 1 or 3 negative
D. 0 or 2 positive; 0 negative
Answer: A
Mathematics
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