Coal gas is produced at a gasworks. Pollutants in the gas are removed by scrubbers, which become less and less efficient as time goes on. The following measurements, made at the start of each month, show the rate at which pollutants are escaping (in tons/month) in the gas: Time (months) 0 1 2 3 4 5 6. Rate pollutants escape 7 9 10 12 15 18 22 (a) Make an overestimate and an underestimate of the total quantity of pollutants that escaped during the first month.

Coal gas is produced at a gasworks. Pollutants in the gas are removed by scrubbers, which become less and less efficient as time goes on. The following measurements, made at the start of each month, show the rate at which pollutants are escaping (in tons/month) in the gas: Time (months) 0 1 2 3 4 5 6. Rate pollutants escape 7 9 10 12 15 18 22 (a) Make an overestimate and an underestimate of the total quantity of pollutants that escaped during the first month.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

(c) How many measurements would have to be made to find overestimates and underestimates which differ by less than 1 ton
from the exact quantity of pollutants that escaped during the first six months?
Round your answer to the nearest integer.
Measurements would have to be made every i
day(s).

Coal gas is produced at a gasworks. Pollutants in the gas are removed by scrubbers, which become less and less efficient as time
goes on. The following measurements, made at the start of each month, show the rate at which pollutants are escaping (in
tons/month) in the gas:
Time (months)
0 1
2
3
4
5
6.
Rate pollutants escape
7
9
10
12
15
18 22
(a) Make an overestimate and an underestimate of the total quantity of pollutants that escaped during the first month.
An overestimate is
i
tons. An underestimate isi
tons.
eTextbook and Media
(b) Make an overestimate and an underestimate of the total quantity of pollutants that escaped during the six months.
An overestimate is i
tons. An underestimate is i
tons.
eTextbook and Media

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