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OpenStudy (anonymous):
help with checking an answer :D According to Descartes' rule of signs, how many possible negative real roots could the following polynomial function have? f(x)=3x^4-5x^3-5^2+5x+2 would the answer be two or zero?
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OpenStudy (anonymous):
choices A. Four B. Three C. Three or one D. Two or zero
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