f(x) = 3x7 + x3 - x2 + 4 what is the max number of zeroes this polynomial function can have? how many positive real zeroes can this function have? how many negative real zeros can the function have?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.4: Real Zeros Of Polynomials
Problem 2E
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f(x) = 3x+ x3 - x+ 4

what is the max number of zeroes this polynomial function can have?

how many positive real zeroes can this function have?

how many negative real zeros can the function have?

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