Concept explainers
a.
To find the zeros of the function
a.
Answer to Problem 115RE
Explanation of Solution
Given:
Function:
Calculation:
Let
Then the given polynomial is rewritten as
Now solve the polynomial as a normal
Therefore,
Now substitute for
Then,
Now,
Conclusion:
Therefore, the zeros of given polynomial function are
b.
To write the factors of the function
b.
Answer to Problem 115RE
Explanation of Solution
Given:
Function:
Calculation:
From above answers, the polynomial as a product of linear factors is
Conclusion:
Therefore,
c.
To find the x - intercepts of the function
c.
Answer to Problem 115RE
No intercepts since the roots are imaginary.
Explanation of Solution
Given:
Function:
Calculation:
To find x - intercepts, put
Since the roots are imaginary, there are no real roots that can be plotted in the graph.
Therefore, no graph can be drawn.
Conclusion:
Therefore, no real x intercepts can be found.
Chapter 2 Solutions
Precalculus with Limits: A Graphing Approach
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning