Let the region R be the area enclosed by the function f(x) = x +1, the horizontal line y = 0 and the vertical lines x = solid such that each cross section perpendicular to the x-axis is a rectangle whose height is twice the length of its base in the region R, find the volume of the solid. You may use a calculator and round to the nearest thousandth. || O and x = 2. If the region R is the base of a 15 14 13 12 11 10 9 6. 4 2.

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### Volume of a Solid Generated by Cross Sections

Let the region \( R \) be the area enclosed by the function \( f(x) = x^3 + 1 \), the horizontal line \( y = 0 \) and the vertical lines \( x = 0 \) and \( x = 2 \). 

If the region \( R \) is the base of a solid such that each cross-section perpendicular to the \( x \)-axis is a rectangle whose height is twice the length of its base in the region \( R \), find the volume of the solid. You may use a calculator and round to the nearest thousandth.

#### Graph Interpretation:
The graph included depicts the function \( f(x) = x^3 + 1 \). It shows the following details:
- The horizontal axis (x-axis) ranges from approximately \( -2 \) to \( 3 \).
- The vertical axis (y-axis) ranges from \( 0 \) to \( 15 \).
- The function starts increasing steeply after passing the x-axis and continues to rise rapidly.
- The vertical lines \( x = 0 \) and \( x = 2 \) mark the boundaries on the x-axis for the region \( R \).

### Finding the Volume:
To find the volume of the solid formed, we need to calculate the integral of the area of the cross-sections perpendicular to the x-axis from \( x = 0 \) to \( x = 2 \).

Given the height of each rectangle is twice the base, we start by noting the base of each rectangle at a point \( x \) is \( y = f(x) \). Hence, the length of the base is \( f(x) \) and the height is \( 2f(x) \).

The area \( A(x) \) of each rectangular cross-section as a function of \( x \) is:
\[ A(x) = \text{base} \times \text{height} = f(x) \times 2f(x) = 2(f(x))^2 = 2(x^3 + 1)^2 \]

The volume \( V \) of the solid is then the integral of \( A(x) \) from \( x = 0 \) to \( x = 2 \):
\[ V = \int_{0}^{2} 2(x^3 + 1)^2 \, dx \]
Transcribed Image Text:--- ### Volume of a Solid Generated by Cross Sections Let the region \( R \) be the area enclosed by the function \( f(x) = x^3 + 1 \), the horizontal line \( y = 0 \) and the vertical lines \( x = 0 \) and \( x = 2 \). If the region \( R \) is the base of a solid such that each cross-section perpendicular to the \( x \)-axis is a rectangle whose height is twice the length of its base in the region \( R \), find the volume of the solid. You may use a calculator and round to the nearest thousandth. #### Graph Interpretation: The graph included depicts the function \( f(x) = x^3 + 1 \). It shows the following details: - The horizontal axis (x-axis) ranges from approximately \( -2 \) to \( 3 \). - The vertical axis (y-axis) ranges from \( 0 \) to \( 15 \). - The function starts increasing steeply after passing the x-axis and continues to rise rapidly. - The vertical lines \( x = 0 \) and \( x = 2 \) mark the boundaries on the x-axis for the region \( R \). ### Finding the Volume: To find the volume of the solid formed, we need to calculate the integral of the area of the cross-sections perpendicular to the x-axis from \( x = 0 \) to \( x = 2 \). Given the height of each rectangle is twice the base, we start by noting the base of each rectangle at a point \( x \) is \( y = f(x) \). Hence, the length of the base is \( f(x) \) and the height is \( 2f(x) \). The area \( A(x) \) of each rectangular cross-section as a function of \( x \) is: \[ A(x) = \text{base} \times \text{height} = f(x) \times 2f(x) = 2(f(x))^2 = 2(x^3 + 1)^2 \] The volume \( V \) of the solid is then the integral of \( A(x) \) from \( x = 0 \) to \( x = 2 \): \[ V = \int_{0}^{2} 2(x^3 + 1)^2 \, dx \]
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