(-2.505, 0) -2 (-1.922,-3.038) 0 (-0.56,-0.555) (0.-1) 2 3 (0.69, 0) (0.232,-1.138)

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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For the following polynomial, determine the following(Round all answers to two decimal places)

intervals of increase:  

 

 

intervals of decrease:  

 

 

x-intercepts:  

 

 

y-intercept:  

 

 

domain:  

 

 

range:  

 

 

coordinates of all relative minimums:  

 

 

coordinates of all relative maximums:  

 

 

End Behaviors: As x → −∞, f(x) →  

 

 

                            As x → ∞, f(x) →  

 

 

 

### Analyzing a Polynomial Function Graph

The image above displays the graph of a polynomial function, annotated with several key points. Let's analyze and interpret the graph in detail.

#### Key Points on the Graph

- **Intercepts and Roots**:
  - The graph intersects the x-axis at three points:
    - \((-2.505, 0)\)
    - \((0.69, 0)\)
    - \((0, -1)\)

- **Local Extrema**:
  - Local Minimum: 
    - \((-1.922, -3.038)\)
  - Local Maximum:
    - \((-0.56, -0.555)\)

- **Additional Points**:
  - \((0.232, -1.138)\)
  
#### Interpretation

1. **X-Intercepts**: 
   - The polynomial function crosses the x-axis at \((-2.505, 0)\) and \((0.69, 0)\). These points represent the roots (or zeroes) of the function where the function value is zero.

2. **Y-Intercept**:
   - The point \((0, -1)\) indicates that when \(x=0\), the function value is \(-1\). This is the y-intercept of the graph.

3. **Local Extrema**:
   - At \((-1.922, -3.038)\), the graph shows a local minimum, meaning the function value at this point is lower than at nearby points.
   - At \((-0.56, -0.555)\), the graph shows a local maximum, meaning the function value at this point is higher than at nearby points.

4. **Behavior**:
   - The function appears to be a polynomial of degree three or higher, as it changes direction multiple times.

### Conclusion

The graph above elucidates the critical points and general shape of a polynomial function. Understanding these points helps in comprehending the function's behavior, including where it intersects the axes and where it reaches local maxima and minima. Such analysis is essential in calculus and algebra for studying the properties of polynomial functions.
Transcribed Image Text:### Analyzing a Polynomial Function Graph The image above displays the graph of a polynomial function, annotated with several key points. Let's analyze and interpret the graph in detail. #### Key Points on the Graph - **Intercepts and Roots**: - The graph intersects the x-axis at three points: - \((-2.505, 0)\) - \((0.69, 0)\) - \((0, -1)\) - **Local Extrema**: - Local Minimum: - \((-1.922, -3.038)\) - Local Maximum: - \((-0.56, -0.555)\) - **Additional Points**: - \((0.232, -1.138)\) #### Interpretation 1. **X-Intercepts**: - The polynomial function crosses the x-axis at \((-2.505, 0)\) and \((0.69, 0)\). These points represent the roots (or zeroes) of the function where the function value is zero. 2. **Y-Intercept**: - The point \((0, -1)\) indicates that when \(x=0\), the function value is \(-1\). This is the y-intercept of the graph. 3. **Local Extrema**: - At \((-1.922, -3.038)\), the graph shows a local minimum, meaning the function value at this point is lower than at nearby points. - At \((-0.56, -0.555)\), the graph shows a local maximum, meaning the function value at this point is higher than at nearby points. 4. **Behavior**: - The function appears to be a polynomial of degree three or higher, as it changes direction multiple times. ### Conclusion The graph above elucidates the critical points and general shape of a polynomial function. Understanding these points helps in comprehending the function's behavior, including where it intersects the axes and where it reaches local maxima and minima. Such analysis is essential in calculus and algebra for studying the properties of polynomial functions.
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