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Mathematics 21 Online
OpenStudy (anonymous):

What are the possible number of positive, negative, and complex zeros of f(x) = –2x3 + 5x2 – 6x + 4 ? Positive: 3 or 1; Negative: 1; Complex: 2 or 0 Positive: 1; Negative: 2 or 0; Complex 2 or 0 Positive: 2 or 0; Negative: 1; Complex: 2 or 0 Positive: 3 or 1; Negative: 0; Complex: 2 or 0

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