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The Volume of a Conical Pile of Sand Is Increasing

Question 72

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The volume of a conical pile of sand is increasing at a rate of The volume of a conical pile of sand is increasing at a rate of ft<sup> 3 </sup>/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes) , assuming that r = 0 when t = 0. A) B) C) D) E) ft 3 /min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes) , assuming that r = 0 when t = 0.


A) The volume of a conical pile of sand is increasing at a rate of ft<sup> 3 </sup>/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes) , assuming that r = 0 when t = 0. A) B) C) D) E)
B) The volume of a conical pile of sand is increasing at a rate of ft<sup> 3 </sup>/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes) , assuming that r = 0 when t = 0. A) B) C) D) E)
C) The volume of a conical pile of sand is increasing at a rate of ft<sup> 3 </sup>/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes) , assuming that r = 0 when t = 0. A) B) C) D) E)
D) The volume of a conical pile of sand is increasing at a rate of ft<sup> 3 </sup>/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes) , assuming that r = 0 when t = 0. A) B) C) D) E)
E) The volume of a conical pile of sand is increasing at a rate of ft<sup> 3 </sup>/min, and the height of the pile always equals the radius r of the base. Express r as a function of time t (in minutes) , assuming that r = 0 when t = 0. A) B) C) D) E)

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