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 + 2x² + 5x + 4
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fx x 2x 5x4 Since fx has no s...View the full answer
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