Use Descarles's Rule. of Signs to determine the possible numbe r of positive and
Chapter 3, Problem 77(choose chapter or problem)
Use Descarles's Rule. of Signs to determine the possible numbe r of positive and negative real zeros of f(x) - .rS - x4 + x.; - x2 + x - 8. Verif)1 your result by using a graphing utility to graph f.
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