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) = -2x4 + 9x3 - 4x2 + 8x - 3
A. 0 or 2 positive; 0, 2, or 4 negative
B. 0, 2, or 4 positive; 0 negative
C. 0, 2, or 4 positive; 0, 2, or 4 negative
D. 0 or 2 positive; 0 or 2 negative
Answer: B
Mathematics
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What will be an ideal response?
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