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Chapter 12: Q. 1 (page 816)
In a(n) __________ sequence, the difference between successive terms is a constant.
The solution is arithmetic.
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In Problems 71-82, find the sum of each sequence.
Environmental Control: The Environmental Protection Agency (EPA) determines that Maple Lake has 250 tons of pollutants as a result of industrial waste and that 10% of the pollutant present is neutralized by solar oxidation every year. The EPA imposes new pollution control laws that result in 15 tons of new pollutant entering the lake each year. The amount of pollutant in the lake at the end of each year is given by the recursively defined sequence
(a) Determine the amount of pollutant in the lake at the
end of the second year. That is, determine p2 .
(b) Using a graphing utility, provide pollutant amounts for
the next 20 years.
(c) What is the equilibrium level of pollution in Maple
Lake? That is, what is localid="1646823556776" ?
In Problems 51鈥�60, write out each sum.
In Problems 61鈥�70, express each sum using summation notation.
In Problems 11鈥�16, evaluate each factorial expression.
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