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A pebble drops in a lake and makes concentric circles in the water. The radius increases at a rate of 5 ft/sec, so r(t)=5t. Formulate a function to represent the area of the outer circle after t seconds.
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Aug 17, 2024
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A pebble drops in a lake and makes concentric circles in the water. The radius increases at a rate of 5 ft/sec, so r(t)=5t. Formulate a function to represent the area of the outer circle after t seconds. (A = r²)
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Answer:
Explanation:
After
seconds, the radius is
.
So, the area is
.
Dan At Demand
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Aug 23, 2024
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Dan At Demand
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