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Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
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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## Calculus Problem Set: Estimating Areas Under Curves

### Problem 1
Estimate the area under the graph of \( f(x) = x^2 + 7x + 1 \) from \( x = 3 \) to \( x = 9 \) using six rectangles and right endpoints. In your solution, include the exact area of each rectangle. Include a carefully labeled sketch of the graph and the rectangles.

**Steps for Solution:**
1. Divide the interval \([3, 9]\) into six subintervals of equal width.
2. Use the right endpoint of each subinterval to determine the height of each rectangle.
3. Calculate the area of each rectangle (height \(*\) width).
4. Sum the areas of all rectangles to estimate the area under the curve.
5. Draw a graph of \( f(x) = x^2 + 7x + 1 \), and overlay the six rectangles, labeling appropriate points and areas.

### Problem 2
Improve your estimate of the area under the graph of \( f(x) = x^2 + 7x + 1 \) from \( x = 3 \) to \( x = 9 \) by using twelve rectangles and right endpoints. In your solution, include the exact area of each rectangle. Include a carefully labeled sketch of the graph and the rectangles.

**Steps for Solution:**
1. Divide the interval \([3, 9]\) into twelve subintervals of equal width.
2. Use the right endpoint of each subinterval to determine the height of each rectangle.
3. Calculate the area of each rectangle (height \(*\) width).
4. Sum the areas of all rectangles to provide a more accurate estimate of the area under the curve.
5. Draw a graph of \( f(x) = x^2 + 7x + 1 \), and overlay the twelve rectangles, labeling appropriate points and areas.

### Additional Notes
- Ensure that your sketches clearly show the function \( f(x) = x^2 + 7x + 1 \), the rectangles used for the approximation, and any relevant points of intersection.
- Label both axes on the graph and denote significant points that are used in the computation of rectangle areas.

The images of the graphs and diagrams should include:
- A continuous curve representing \( f(x) = x^2 + 7x + 1 \).
- Rect
Transcribed Image Text:## Calculus Problem Set: Estimating Areas Under Curves ### Problem 1 Estimate the area under the graph of \( f(x) = x^2 + 7x + 1 \) from \( x = 3 \) to \( x = 9 \) using six rectangles and right endpoints. In your solution, include the exact area of each rectangle. Include a carefully labeled sketch of the graph and the rectangles. **Steps for Solution:** 1. Divide the interval \([3, 9]\) into six subintervals of equal width. 2. Use the right endpoint of each subinterval to determine the height of each rectangle. 3. Calculate the area of each rectangle (height \(*\) width). 4. Sum the areas of all rectangles to estimate the area under the curve. 5. Draw a graph of \( f(x) = x^2 + 7x + 1 \), and overlay the six rectangles, labeling appropriate points and areas. ### Problem 2 Improve your estimate of the area under the graph of \( f(x) = x^2 + 7x + 1 \) from \( x = 3 \) to \( x = 9 \) by using twelve rectangles and right endpoints. In your solution, include the exact area of each rectangle. Include a carefully labeled sketch of the graph and the rectangles. **Steps for Solution:** 1. Divide the interval \([3, 9]\) into twelve subintervals of equal width. 2. Use the right endpoint of each subinterval to determine the height of each rectangle. 3. Calculate the area of each rectangle (height \(*\) width). 4. Sum the areas of all rectangles to provide a more accurate estimate of the area under the curve. 5. Draw a graph of \( f(x) = x^2 + 7x + 1 \), and overlay the twelve rectangles, labeling appropriate points and areas. ### Additional Notes - Ensure that your sketches clearly show the function \( f(x) = x^2 + 7x + 1 \), the rectangles used for the approximation, and any relevant points of intersection. - Label both axes on the graph and denote significant points that are used in the computation of rectangle areas. The images of the graphs and diagrams should include: - A continuous curve representing \( f(x) = x^2 + 7x + 1 \). - Rect
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