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Suppose that you meet 20 new people each year but each year you forget 20 of all of the people that you know If y

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Suppose that you meet 20 new people each year but each year you forget 20 of all of the people that you know If y t is the total number of people who you remember after t years then y satisfies the differential equation y 200 2y Do you see why Solve this differential equation subject to the condition y 0 0 you knew no one at birth y

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