Concept explainers
(a)
Find any x-intercepts.
(a)
Answer to Problem 9E
-2π, -π, 0, π, 2π
Explanation of Solution
Given information:
Formula Used: Graphic Utility = For such equations, a graphing utility can often be used to investigate possible solutions. When a graphing utility is used to solve an equation, usually approximate solutions are obtained.
Calculation:
x-intercepts of
(b)
Find any y-intercepts.
(b)
Answer to Problem 9E
0
Explanation of Solution
Given information:
Formula Used: Graphic Utility = For such equations, a graphing utility can often be used to investigate possible solutions. When a graphing utility is used to solve an equation, usually approximate solutions are obtained.
Calculation:
y-intercepts of
(c)
Find the interval y=f(x) increasing and y=f(x) decreasing.
(c)
Answer to Problem 9E
Increasing in the interval= (
Decreasing in the interval= (
Explanation of Solution
Given information:
Formula Used: Graphic Utility = For such equations, a graphing utility can often be used to investigate possible solutions. When a graphing utility is used to solve an equation, usually approximate solutions are obtained.
Calculation:
Increasing in the interval= (
Decreasing in the interval= (
(d)
Find all relative extrema
(d)
Answer to Problem 9E
Relative
Relative
Explanation of Solution
Given information:
Formula Used: Graphic Utility = For such equations, a graphing utility can often be used to investigate possible solutions. When a graphing utility is used to solve an equation, usually approximate solutions are obtained.
Calculation:
Relative maxima = 1 at
Relative minima = -1 at
e-asymptotes of
Chapter 4 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