Coal gas is being produced at a gasworks. Pollutants in the gas are removed by scrubbers which become less efficient as time goes by. The pollutant rate is measured at the start of every other month for a year and is given in the table. Since the scrubbers are becoming less efficient we can assume that the pollutant rate is always increasing

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anonymous · Answer

http://mrlindahl.weebly.com/uploads/8/7/7/0/8770897/riemann_sums_key.pdf here is the link that has a answer i just don't understand how they got to it. how did they get the delta X. Plase help me

anonymous · Answer

i am not understanding ur answer.

anonymous · Answer

its no my answer
but an answer a teacher posted up