ow many positive real zeros are possible by Descartes' Rule of signs? c) How many negative real zeros are possible by Descartes' Rule of signs? d) Determine an upper bound on the real zeros of f(x). e) Determine an lower bound on the real zeros of f(x).
ow many positive real zeros are possible by Descartes' Rule of signs? c) How many negative real zeros are possible by Descartes' Rule of signs? d) Determine an upper bound on the real zeros of f(x). e) Determine an lower bound on the real zeros of f(x).
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.5: Zeros Of Polynomial Functions
Problem 82E
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Given f(x)= 2x3-5x2-4x+3
a) List all possible rational zeros of the polynomial.
b) How many positive real zeros are possible by Descartes' Rule of signs?
c) How many negative real zeros are possible by Descartes' Rule of signs?
d) Determine an upper bound on the real zeros of f(x).
e) Determine an lower bound on the real zeros of f(x).
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