(a)
To graph: the given quadratic function
(a)
Answer to Problem 15RE
Explanation of Solution
Given:
Calculation:
Graph the function
Now, solve
No real x-intercept is found. So, the function
The vertex is at
Since
The graph of
Conclusion:
Thus, the given equation is drawn.
(b)
the domain and the range of the function.
(b)
Answer to Problem 15RE
The domain is
The range is
Explanation of Solution
Calculation:
Determine the range and domain of the function
The domain of quadratic equation is all real numbers
For the range, find the minimum and maximum value of function. The minimum value of function is
Conclusion:
The domain is
The range is
(c)
the increasing and decreasing interval.
(c)
Answer to Problem 15RE
Hence, decreasing interval
Explanation of Solution
Calculation:
Determine whether the function
Conclusion:
Hence, decreasing interval
Chapter 3 Solutions
Precalculus
Additional Math Textbook Solutions
Calculus and Its Applications (11th Edition)
Single Variable Calculus: Early Transcendentals (2nd Edition) - Standalone book
Glencoe Math Accelerated, Student Edition
University Calculus: Early Transcendentals (4th Edition)
Calculus & Its Applications (14th Edition)
Calculus: Early Transcendentals (2nd Edition)
- 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