The rate at which pollution escapes a scrubbing process at a manufacturing plant increases over time as filters and other technologies become less effective. For this particular example, assume that the rate of pollution (in tons per week) is given by the following table. days 0| 4| 7| 10 | 14| 20 pollution rate (tons/week) || 43 | 51 | 74 93 122 | 235 (a) Write a left Riemann sum that estimates the amount of pollution emitted over the first four weeks. (Notes: (1) You must include at least two terms in your sum. (2) You do not need to evaluate the sum. (3) The units for time and pollution rate are correct.) (b) How does your left Riemann sum compare to the actually amount of pollutant emitted? Can you tell if your Riemann sum is an overestimate or an underesti- mate?

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Chapter2: Second-order Linear Odes
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The rate at which pollution escapes a scrubbing process at a manufacturing plant
increases over time as filters and other technologies become less effective. For this
particular example, assume that the rate of pollution (in tons per week) is given by
the following table.
4| 7| 10| 14| 20
days
pollution rate (tons/week) || 43 | 51 74 93 122 235
(a) Write a left Riemann sum that estimates the amount of pollution emitted over
the first four weeks. (Notes: (1) You must include at least two terms in your sum.
(2) You do not nced to evaluate the sum. (3) The units for time and pollution
rate are correct.)
(b) How does your left Riemann sum compare to the actually amount of pollutant
emitted? Can you tell if your Riemann sum is an overestimate or an underesti-
mate?
Transcribed Image Text:The rate at which pollution escapes a scrubbing process at a manufacturing plant increases over time as filters and other technologies become less effective. For this particular example, assume that the rate of pollution (in tons per week) is given by the following table. 4| 7| 10| 14| 20 days pollution rate (tons/week) || 43 | 51 74 93 122 235 (a) Write a left Riemann sum that estimates the amount of pollution emitted over the first four weeks. (Notes: (1) You must include at least two terms in your sum. (2) You do not nced to evaluate the sum. (3) The units for time and pollution rate are correct.) (b) How does your left Riemann sum compare to the actually amount of pollutant emitted? Can you tell if your Riemann sum is an overestimate or an underesti- mate?
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