Concept explainers
(a)
Apply the coefficient test on function
(a)
Answer to Problem 19RE
The coefficient of highest power is negative graph will rise at LHS and falls at RHS, the graph will rise at LHS and falls at RHS
Explanation of Solution
Given:
To apply the leading coefficient test on the equation
The highest power is odd and the coefficient of highest power is negative. So by leading coefficient test that when the highest power is odd and the coefficient of highest power is negative graph will rise at LHS and falls at RHS, the graph will rise at LHS and falls at RHS.
(b)
Find the real zeros of the polynomial.
(b)
Answer to Problem 19RE
The
Explanation of Solution
Given:
Zeros of such equations are found by first finding some of the roots by hit and trial and solving the rest .
The equation and the rest of the equations will be Quadratic equations
The quadratic equation does not have any real roots. So the only roots is -1.
(c)
Plotting sufficient points.
(c)
Answer to Problem 19RE
Points are plotted below.
Explanation of Solution
Given:
Plot points for graph. For the points the graph will be like this,
(d)
Sketch the continuous curve through the points.
(d)
Answer to Problem 19RE
Graph is shown below.
Explanation of Solution
Given:
So the continuousgraph is as follows,
Chapter 2 Solutions
EBK PRECALCULUS W/LIMITS
- 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