Answer to Question #40370 in Calculus for Daryl Ligutan

Question

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