Figure (a) shows a vacant lot with a 140-ft frontage L in a development. To estimate its area, we introduce a coordinate system so that the x-axis coincides with the edge of the straight road forming the lower boundary of the property, as shown in Figure (b). Then, thinking of the upper boundary of the property as the graph of a continuous function f over the interval [0, 140], we see that the problem is mathematically equivalent to that of finding the area under the graph of f on [0, 140]. To estimate the area of the lot using Riemann sum, we divide the interval [0, 140] into five equal subintervals of length 28 ft. Then, using surveyor's equipment, we measure the distance from the midpoint of each of these subintervals to the upper boundary of the property. These measurements give the values of f(x) at x = 14, 42, 70, 98, and 126. What is the approximate area of the lot? ft²
Figure (a) shows a vacant lot with a 140-ft frontage L in a development. To estimate its area, we introduce a coordinate system so that the x-axis coincides with the edge of the straight road forming the lower boundary of the property, as shown in Figure (b). Then, thinking of the upper boundary of the property as the graph of a continuous function f over the interval [0, 140], we see that the problem is mathematically equivalent to that of finding the area under the graph of f on [0, 140]. To estimate the area of the lot using Riemann sum, we divide the interval [0, 140] into five equal subintervals of length 28 ft. Then, using surveyor's equipment, we measure the distance from the midpoint of each of these subintervals to the upper boundary of the property. These measurements give the values of f(x) at x = 14, 42, 70, 98, and 126. What is the approximate area of the lot? ft²
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.7: A Library Of Parent Functions
Problem 47E
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![Figure (a) shows a vacant lot with a 140-ft frontage L in a development. To estimate its area, we introduce a coordinate system so that the x-axis coincides with the
edge of the straight road forming the lower boundary of the property, as shown in Figure (b). Then, thinking of the upper boundary of the property as the graph of a
continuous function f over the interval [0, 140], we see that the problem is mathematically equivalent to that of finding the area under the graph of f on [0, 140]. To
estimate the area of the lot using Riemann sum, we divide the interval [0, 140] into five equal subintervals of length 28 ft. Then, using surveyor's equipment, we
measure the distance from the midpoint of each of these subintervals to the upper boundary of the property. These measurements give the values of f(x) at x = 14,
42, 70, 98, and 126. What is the approximate area of the lot?
ft²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1736317-6622-479e-a5d8-a2c1bccaf23c%2Ff2275a4b-293e-406c-a958-ff8a7d406264%2Fqsqa2p7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Figure (a) shows a vacant lot with a 140-ft frontage L in a development. To estimate its area, we introduce a coordinate system so that the x-axis coincides with the
edge of the straight road forming the lower boundary of the property, as shown in Figure (b). Then, thinking of the upper boundary of the property as the graph of a
continuous function f over the interval [0, 140], we see that the problem is mathematically equivalent to that of finding the area under the graph of f on [0, 140]. To
estimate the area of the lot using Riemann sum, we divide the interval [0, 140] into five equal subintervals of length 28 ft. Then, using surveyor's equipment, we
measure the distance from the midpoint of each of these subintervals to the upper boundary of the property. These measurements give the values of f(x) at x = 14,
42, 70, 98, and 126. What is the approximate area of the lot?
ft²
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