In Exercises 3338, use Descartess Rule of Signs to determine the possible number of positive and negative
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In Exercises 33–38, use Descartes’s Rule of Signs to determine the possible number of positive and negative real zeros for each given function.
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f(x) = x³ + 7x² + x + 7
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fxx 7xx7 Since fx has no sig...View the full answer
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