SOLUTION: I have a question that states: use descartes' rule of signs to determine the possible number of positive and negative zeros of the function f(x)=x^6+4x^5-4x^4+5x^3-5x^2+x-5

Question 86713: I have a question that states: use descartes' rule of signs to determine the possible number of positive and negative zeros of the function f(x)=x^6+4x^5-4x^4+5x^3-5x^2+x-5
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
use descartes' rule of signs to determine the possible number of positive and negative zeros of the function f(x)=x^6+4x^5-4x^4+5x^3-5x^2+x-5
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# of positive roots = 5,3, or 1
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f(-x)=x^6-4^5-4x^4-5x^3-5x^2-x-5
# of negative roots = 1
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Cheers,
Stan H.
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