Concept explainers
To find: The number of possible positive real zeros and the number of possible negative real zeros for function
Answer to Problem 20E
Possible zeros:
Explanation of Solution
Given information:
Calculation:
Possible zeros: Every factor of
Descartes Rule of Signs gives:
1 negative root, 0 or 2 positive roots
Using synthetic division:
Chapter 4 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
Additional Math Textbook Solutions
University Calculus: Early Transcendentals (3rd Edition)
Single Variable Calculus: Early Transcendentals (2nd Edition) - Standalone book
Precalculus (10th Edition)
Calculus and Its Applications (11th Edition)
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