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Question: a tank contains 70 kg of salt and 2000 l...

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A tank contains 70 kg of salt and 2000 L of water. Pure water enters a tank at the rate 6 L/min. The solution is mixed and drains from the tank at the rate 7 L/min. Let y be the number of kg of salt in the tank after t minutes. The differential equation for this situation would be: dy Preview dt Given the initial condition y(0)-70 The particular solution would be v(t)- What is a reasonable domain for the function y(t) (write your response using interval notation)? Preview Preview

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