Concept explainers
To find: the function which has at least 1 positive real zeros using Descartes’s Rule of signs.
Answer to Problem 42E
The correct option is A.
Explanation of Solution
Given information:
Given options are,
A.
B.
C.
D.
Calculation:
Consider the function
The coefficient in
Consider the function
The coefficient in
Consider the function
The coefficient in
Consider the function
The coefficient in
Therefore, the correct option is A.
Chapter 4 Solutions
Big Ideas Math A Bridge To Success Algebra 2: Student Edition 2015
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