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    A Mold Culture in a Dorm Refrigerator Is Circular and Growing
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A Mold Culture in a Dorm Refrigerator Is Circular and Growing

Question 21

Question 21

Multiple Choice

A mold culture in a dorm refrigerator is circular and growing. The radius is increasing at a rate of 0.4 cm/day. How fast is the area growing when the culture is 3 centimeters in radius? (The area of a disc of radius r is A mold culture in a dorm refrigerator is circular and growing. The radius is increasing at a rate of 0.4 cm/day. How fast is the area growing when the culture is 3 centimeters in radius? (The area of a disc of radius r is   .)  A)    B)    C)    D)    E)   .)


A) A mold culture in a dorm refrigerator is circular and growing. The radius is increasing at a rate of 0.4 cm/day. How fast is the area growing when the culture is 3 centimeters in radius? (The area of a disc of radius r is   .)  A)    B)    C)    D)    E)
B) A mold culture in a dorm refrigerator is circular and growing. The radius is increasing at a rate of 0.4 cm/day. How fast is the area growing when the culture is 3 centimeters in radius? (The area of a disc of radius r is   .)  A)    B)    C)    D)    E)
C) A mold culture in a dorm refrigerator is circular and growing. The radius is increasing at a rate of 0.4 cm/day. How fast is the area growing when the culture is 3 centimeters in radius? (The area of a disc of radius r is   .)  A)    B)    C)    D)    E)
D) A mold culture in a dorm refrigerator is circular and growing. The radius is increasing at a rate of 0.4 cm/day. How fast is the area growing when the culture is 3 centimeters in radius? (The area of a disc of radius r is   .)  A)    B)    C)    D)    E)
E) A mold culture in a dorm refrigerator is circular and growing. The radius is increasing at a rate of 0.4 cm/day. How fast is the area growing when the culture is 3 centimeters in radius? (The area of a disc of radius r is   .)  A)    B)    C)    D)    E)

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