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OpenStudy (anonymous):
According to Descartes' rule of signs, how many possible positive real roots could the following polynomial function have?
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OpenStudy (anonymous):
OpenStudy (anonymous):
I got C) Two or Zero
OpenStudy (perl):
how many sign changes are there for f(-x)
OpenStudy (perl):
f(-x) = 3(-x)^4 -5(-x)^3 -5(-x)^2 + 5(-x) + 2
OpenStudy (anonymous):
That's right I think
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OpenStudy (triciaal):
|dw:1417683787881:dw| Agree C 2 or 0
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