1. Increasing rectangles makes the result MORE accurate.2. interval: x = 0.5x0 = -4x1 = -3.5x2 = -3x3 = -2.5x4 = -23. Underestimate all rectangles are under the curve.4. When n=4: 139 ft. When n=8, 139.75 ft.5. 200 m6. 1.49 m7. 2688 ft8. 348.23 mi9. Left: 30, Right: 3510. Left: 10.08, Right: 9.2811a. I think its B but it could be D. It is too hard to tell without being able to zoom in on the graph.11b. X = 111c. Left underestimates, right overestimates11d. Left: 26, right: 3012a. B12b. Pi/812c. Left overestimates, right underestimates12d. Left: 1.40, Right: 1.1813a. B13b. X = 113c. Left underestimates, right overestimates13d. Left: 895, Right: 156514a. A14b. X=0.514c. Left underestimates, right overestimates14d. Left: 5.13, right: 6.6315a. C15b. X=0.2515c. Left underestimates, right overestimates15d. Left: 8.61, right: 24.3616. 2.7917a. A17b. ...

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