Water slowly evaporates from a circular shaped puddle. The area of the puddle decreases at a rate
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Question:
Water slowly evaporates from a circular shaped puddle. The area of the puddle decreases at a rate of 36 in^2/hr. Assuming the puddle retains its circular shape, at what rate is the radius of the puddle changing when the radius is 6 in?
- A. -3 in/hr
- B. -1 in/hr
- C. 4 in/hr
- D. -4 in/hr
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