Concept explainers
a.
To find:The interval of unit length in which zero of the given polynomial function lie definitely, using Intermediate Value Theorem and graphing utility.
a.
Answer to Problem 99E
The required intervals are
Explanation of Solution
Given:
The polynomial function is
Formula/ concept used:
The Intermediate Value Theorem states that
Graph:
The graph of function
We have
We have
Conclusion:
There exists a zero of
b.
To find: The real zeros of polynomial function given in part (a) using graphing utility.
b.
Answer to Problem 99E
The zeros of function
Explanation of Solution
Given:
The polynomial function and the graph of function
Concept used:
The value of x where the graph of function intersect or touch the x -axis is the zero of function.
Calculations:
From graph Figure-1, in part (a) we see that graph of function
Hence,
Conclusion:
The points
c.
To verify: The answers of part (a) using table feature of graphing utility.
c.
Explanation of Solution
Given:
The zeros of function
Verification:
From the graph in Figure-1, we obtain a table of some solutions of the given polynomial function
There is change of the function
Thus, the results of part (a) stands verified.
Chapter 2 Solutions
Precalculus with Limits: A Graphing Approach
- need help on Barrow_forward4. Use the properties of limits to help decide whether each limit exists. If a limit exists, fi lim (2x²-4x+5) a) x-4 b) lim 2 x²-16 x-4x+2x-8arrow_forward7. The concentration of a drug in a patient's bloodstream h hours after it was injected is given by 0.17 h Ah= h²+2' Find and interpret lim A(h). Remember, the answers to word problems should always be given in a complete h→00 sentence, with proper units, in the context of the problem.arrow_forward
- #2arrow_forward2. We want to find the inverse of f(x) = (x+3)² a. On the graph at right, sketch f(x). (Hint: use what you know about transformations!) (2 points) b. What domain should we choose to get only the part of f (x) that is one- to-one and non-decreasing? Give your answer in inequality notation. (2 points) - c. Now use algebra to find f¯¹ (x). (2 points) -4- 3- 2 1 -4 -3 -2 -1 0 1 -1- -2- --3- -4 -N- 2 3 4arrow_forward1. Suppose f(x) = 2 4 == x+3 and g(x) = ½-½. Find and fully simplify ƒ(g(x)). Be sure to show all x your work, write neatly so your work is easy to follow, and connect your expressions with equals signs. (4 points)arrow_forward
- 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