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OpenStudy (anonymous):
Use Descartes' Rule of Signs to determine the possible number of positive zeros and the possible number of negative real zeros for the function. F(x)=5x^5-3x^4+7x^3-5
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OpenStudy (anonymous):
http://en.wikipedia.org/wiki/Descartes'_rule_of_signs What part of the rule do you not understand?
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