Use Descartes Rule of Signs to determine the possible number...

Question

Use Descartes Rule of Signs to determine the possible number of positive and negative roots. f(x) = 3x² + 2x -5

A

1 positive, 2 or 0 negative

B

1 positive, 1 negative

C

0 positive, 1 negative

D

1 positive, 0 negative

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