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Using the function f(x)=7x4+2x3+4x2−6x+5 and Descartes' Rule of Signs, what are possible combinations of positive, negative,...

Using the function f(x)=7x4+2x3+4x2−6x+5 and Descartes' Rule of Signs, what are possible combinations of positive, negative, and imaginary zeros?

Select all that apply:

  • 2 positive, 2 negative, 0 imaginary

  • 4 positive, 0 negative, 0 imaginary

  • 0 positive, 4 negative, 0 imaginary

  • 0 positive, 2 negative, 2 imaginary

  • 0 positive, 0 negative, 4 imaginary



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Expert Solution

milcah answered 2 years ago
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