8 Ay 10- Compute the following estimate of f(x) dx using 8- y = f(x) the graph in the figure. 6- M(4) 4- 2- of -> 4 8. 10 Using the Midpoint Rule, M(4) = - (Type an integer or a simplified fraction.) %3D 9. 2-

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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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8.8.     2 

**Evaluating Definite Integrals Using the Midpoint Rule**

### Problem Statement:

Compute the following estimate of \( \int_{0}^{8} f(x) \, dx \) using the graph in the figure.

M(4)

### Figure Description:
The figure shows the graph of the function \( y = f(x) \), plotted between \( x = 0 \) and \( x = 10 \). The graph has a curvy shape passing through several points on the grid. Key points where the function is evaluated are visible on the plot.

### Estimation Using the Midpoint Rule:

The Midpoint Rule for \( n \) subintervals is given by:

\[ M(n) = \Delta x \left[ f\left(m_1\right) + f\left(m_2\right) + \ldots + f\left(m_n\right) \right] \]

where \( \Delta x \) is the width of each subinterval, and \( m_i \) represents the midpoint of each subinterval.

For this problem, the interval is from 0 to 8, and we need to estimate using 4 subintervals (\( n = 4 \)).

### Calculation:

1. Determine the width of each subinterval, \( \Delta x \):

\[ \Delta x = \frac{8 - 0}{4} = 2 \]

2. Identify the midpoints of each subinterval:

- Subinterval 1: [0, 2], Midpoint at \( x = 1 \)
- Subinterval 2: [2, 4], Midpoint at \( x = 3 \)
- Subinterval 3: [4, 6], Midpoint at \( x = 5 \)
- Subinterval 4: [6, 8], Midpoint at \( x = 7 \)

3. Evaluate the function at each midpoint:

- \( f(1) \approx 2 \) (based on the graph)
- \( f(3) \approx 6 \) 
- \( f(5) \approx 4 \)
- \( f(7) \approx 8 \)

4. Apply the Midpoint Rule formula:

\[ M(4) = 2 \left[ f(1) + f(3) + f(5) + f(7) \right] \]

\[ M(4
Transcribed Image Text:**Evaluating Definite Integrals Using the Midpoint Rule** ### Problem Statement: Compute the following estimate of \( \int_{0}^{8} f(x) \, dx \) using the graph in the figure. M(4) ### Figure Description: The figure shows the graph of the function \( y = f(x) \), plotted between \( x = 0 \) and \( x = 10 \). The graph has a curvy shape passing through several points on the grid. Key points where the function is evaluated are visible on the plot. ### Estimation Using the Midpoint Rule: The Midpoint Rule for \( n \) subintervals is given by: \[ M(n) = \Delta x \left[ f\left(m_1\right) + f\left(m_2\right) + \ldots + f\left(m_n\right) \right] \] where \( \Delta x \) is the width of each subinterval, and \( m_i \) represents the midpoint of each subinterval. For this problem, the interval is from 0 to 8, and we need to estimate using 4 subintervals (\( n = 4 \)). ### Calculation: 1. Determine the width of each subinterval, \( \Delta x \): \[ \Delta x = \frac{8 - 0}{4} = 2 \] 2. Identify the midpoints of each subinterval: - Subinterval 1: [0, 2], Midpoint at \( x = 1 \) - Subinterval 2: [2, 4], Midpoint at \( x = 3 \) - Subinterval 3: [4, 6], Midpoint at \( x = 5 \) - Subinterval 4: [6, 8], Midpoint at \( x = 7 \) 3. Evaluate the function at each midpoint: - \( f(1) \approx 2 \) (based on the graph) - \( f(3) \approx 6 \) - \( f(5) \approx 4 \) - \( f(7) \approx 8 \) 4. Apply the Midpoint Rule formula: \[ M(4) = 2 \left[ f(1) + f(3) + f(5) + f(7) \right] \] \[ M(4
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