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A pool initially contains 1,385 cubic feet of water. Apump begins emptying the water at a constant rate of20 cubic feet per minute. Which of the followingfunctions best approximates the volume v(t), incubic feet, of water in the pool t minutes afterpumping begins, for 0 st 69 ?

Respuesta :

Since the pump is emptying the water at a constant rate of 20 ft³/min, then we can set the following equation:

[tex]\begin{gathered} v(t)=1385ft^3-20(ft^3/\min )t\min , \\ \text{ 0 }\min \leq t\leq69\min . \end{gathered}[/tex]

Answer:

[tex]\begin{gathered} v(t)=1385ft^3-20(ft^3/\min )t\min , \\ \text{ 0}\min \leq t\leq69\min . \end{gathered}[/tex]

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