# Answer to Question #40370 in Calculus for Daryl Ligutan

Question #40370

5. ENVIRONMENTAL SCIENCE: Pollution. A factory is discharging pollution into a lake at the rate of r(t) tons per year given below, where t is the number of years that the factory has been in operation. Find the total amount of pollution discharged during the first 3 years of operation.

a. r(t)= t/t^2 + 1

b. r(t)= t square root of t^2 + 16

a. r(t)= t/t^2 + 1

b. r(t)= t square root of t^2 + 16

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