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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Based on the graph above, estimate (to one decimal place) the average rate of change from x=1 to x=3
![**Problem: Average Rate of Change**
The graph shown above features a function plotted on a coordinate plane. The x-axis ranges from -1 to 5, whereas the y-axis ranges from -1 to 6. The general shape of the function shows oscillation with several peak and trough points throughout the interval.
Key points to note from the graph:
- At \( x = 1 \), the function value \( y \) is approximately 2.
- At \( x = 3 \), the function value \( y \) is approximately 1.
**Question:**
Based on the graph above, estimate (to one decimal place) the average rate of change from \( x = 1 \) to \( x = 3 \).
**Solution:**
To find the average rate of change from \( x = 1 \) to \( x = 3 \), we use the formula for the average rate of change of a function \( f \) over the interval from \( x = a \) to \( x = b \):
\[ \text{Average rate of change} = \frac{f(b) - f(a)}{b - a} \]
Here, \( a = 1 \) and \( b = 3 \).
From the graph:
- \( f(1) \approx 2 \)
- \( f(3) \approx 1 \)
Substitute these values into the formula:
\[ \text{Average rate of change} = \frac{1 - 2}{3 - 1} = \frac{-1}{2} = -0.5 \]
Therefore, the average rate of change from \( x = 1 \) to \( x = 3 \) is approximately \(-0.5\).
**Answer:**
\[
\boxed{-0.5}
\]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3a7c8b7c-6421-40e7-b33a-5c89a0da3579%2F8b0593e2-d9ac-4da3-b09f-8c43d8d38d6f%2Fu7qchr.png&w=3840&q=75)
Transcribed Image Text:**Problem: Average Rate of Change**
The graph shown above features a function plotted on a coordinate plane. The x-axis ranges from -1 to 5, whereas the y-axis ranges from -1 to 6. The general shape of the function shows oscillation with several peak and trough points throughout the interval.
Key points to note from the graph:
- At \( x = 1 \), the function value \( y \) is approximately 2.
- At \( x = 3 \), the function value \( y \) is approximately 1.
**Question:**
Based on the graph above, estimate (to one decimal place) the average rate of change from \( x = 1 \) to \( x = 3 \).
**Solution:**
To find the average rate of change from \( x = 1 \) to \( x = 3 \), we use the formula for the average rate of change of a function \( f \) over the interval from \( x = a \) to \( x = b \):
\[ \text{Average rate of change} = \frac{f(b) - f(a)}{b - a} \]
Here, \( a = 1 \) and \( b = 3 \).
From the graph:
- \( f(1) \approx 2 \)
- \( f(3) \approx 1 \)
Substitute these values into the formula:
\[ \text{Average rate of change} = \frac{1 - 2}{3 - 1} = \frac{-1}{2} = -0.5 \]
Therefore, the average rate of change from \( x = 1 \) to \( x = 3 \) is approximately \(-0.5\).
**Answer:**
\[
\boxed{-0.5}
\]
![### Detailed Explanation of the Graph
#### Overview:
The image features an "Enlarged Graph" window showing a continuous function plotted on a Cartesian plane. The graph has several key features, including peaks, troughs, and points of inflection, that can help us understand the behavior of the function.
#### Axis Information:
- **Horizontal Axis (X-Axis)**: The x-values range from 0 to 5.
- **Vertical Axis (Y-Axis)**: The y-values range from -1 to 6.
#### Key Features:
1. **Starting Point (Approximate)**:
- At \( x = 0 \), the graph starts at approximately \( y = 1 \).
2. **First Peak**:
- The graph rises and reaches a local maximum slightly before \( x = 1 \), approximately at \( y = 3.5 \).
3. **First Trough**:
- After the first peak, the graph descends to a local minimum at \( x \approx 1.5 \) and \( y \approx 2 \).
4. **Global Maximum**:
- The graph then ascends again to reach a global maximum at \( x \approx 2.5 \) and \( y = 6 \).
5. **Second Trough**:
- The function falls to another local minimum at approximately \( x = 3.8 \), with \( y \) dropping close to \( y = 0 \).
6. **Third Peak**:
- The graph then rises to a smaller peak around \( x = 4.3 \) with \( y \approx 1.5 \).
7. **Ending Point**:
- The graph finally declines and approaches \( x = 5 \) and \( y \approx 0 \).
#### Analysis:
The function displayed seems to be a complex polynomial or a trigonometric function given its multiple peaks and troughs. Each change in direction suggests points where derivatives or changes in the slope would be significant for deeper calculus-based analyses, such as finding the points of inflection or calculating the function's derivative.
#### Educational Usage:
- **Curve Analysis**: This graph can be useful to teach students about local maxima and minima, as well as global extremum points.
- **Derivative Application**: Students can derive the function and apply it in finding exact critical points.
- **Integration**: By integrating the function over](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3a7c8b7c-6421-40e7-b33a-5c89a0da3579%2F8b0593e2-d9ac-4da3-b09f-8c43d8d38d6f%2Fdax6uad.png&w=3840&q=75)
Transcribed Image Text:### Detailed Explanation of the Graph
#### Overview:
The image features an "Enlarged Graph" window showing a continuous function plotted on a Cartesian plane. The graph has several key features, including peaks, troughs, and points of inflection, that can help us understand the behavior of the function.
#### Axis Information:
- **Horizontal Axis (X-Axis)**: The x-values range from 0 to 5.
- **Vertical Axis (Y-Axis)**: The y-values range from -1 to 6.
#### Key Features:
1. **Starting Point (Approximate)**:
- At \( x = 0 \), the graph starts at approximately \( y = 1 \).
2. **First Peak**:
- The graph rises and reaches a local maximum slightly before \( x = 1 \), approximately at \( y = 3.5 \).
3. **First Trough**:
- After the first peak, the graph descends to a local minimum at \( x \approx 1.5 \) and \( y \approx 2 \).
4. **Global Maximum**:
- The graph then ascends again to reach a global maximum at \( x \approx 2.5 \) and \( y = 6 \).
5. **Second Trough**:
- The function falls to another local minimum at approximately \( x = 3.8 \), with \( y \) dropping close to \( y = 0 \).
6. **Third Peak**:
- The graph then rises to a smaller peak around \( x = 4.3 \) with \( y \approx 1.5 \).
7. **Ending Point**:
- The graph finally declines and approaches \( x = 5 \) and \( y \approx 0 \).
#### Analysis:
The function displayed seems to be a complex polynomial or a trigonometric function given its multiple peaks and troughs. Each change in direction suggests points where derivatives or changes in the slope would be significant for deeper calculus-based analyses, such as finding the points of inflection or calculating the function's derivative.
#### Educational Usage:
- **Curve Analysis**: This graph can be useful to teach students about local maxima and minima, as well as global extremum points.
- **Derivative Application**: Students can derive the function and apply it in finding exact critical points.
- **Integration**: By integrating the function over
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