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Do all problems below with work shown. 1. Use Descartes' Rule of Signs to determine the possible roots to the equations: a) F(x) = 3x3

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Do all problems below with work shown.

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1. Use Descartes' Rule of Signs to determine the possible roots to the equations: a) F(x) = 3x3 - 4x2 + 5x - 1 b) F(x) = x3 - 7x2 - 10x - 8 c) F(x) = 3x* + 2x3 - 5x2 - 8x + 1 d) F(x) = x3 - 2x2 - x + 2

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