Concept explainers
(a)
To Calculate:
The real values of
Given:
Concepts Used:
The value of a rational function becomes zero at the zeroes of its numerator.
Calculations:
The numerator of
Conclusion:
The value of
(b)
To Calculate:
The real values of
Given:
Concepts Used:
The value of a rational function becomes undefined at the zeroes of its denominator.
Calculations:
The denominator of
Conclusion:
The value of
(c)
To Calculate:
The real values of
Given:
Concepts Used:
Drawing of a sign chart for rational function.
Known from previous parts:
The value of
The value of
Calculations:
Draw the sign chart of
Analyze the signs of factors in numerator and denominator in all the intervals and write the sign of
Conclusion:
The value of
(d)
To Calculate:
The real values of
Given:
Concepts Used:
Reading of a sign chart for rational function.
Known from previous parts:
The sign chart of
Calculations:
Read the above sign chart to find the values of
Conclusion:
The value of
Chapter 2 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
- 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