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When is the level of oxygen content lowest

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Reference no: EM131563816

Qusetion: OXYGEN CONTENT OF A POND When organic waste is dumped into a pond, the oxidation process that takes place reduces the pond's oxygen content. However, given time, nature will restore the oxygen content to its natural level. Suppose the oxygen content t days after organic waste has been dumped into the pond is given by

f(t) = 100[(t2 - 4t + 4)/(t2 + 4)]         (0 ≤ t < ∞)

Percent of its normal level .

a. When is the level of oxygen content lowest?

b. When is the rate of oxygen regeneration greatest?

Reference no: EM131563816

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