Question
A circular oil spill on the surface of the ocean spreads outward. Find the approximate rate of change in the area of the oil slick with respect to its radius when the radius is $100 \mathrm{m}$.
Step 1
The formula for the area of a circle is given by $A = \pi r^{2}$, where $r$ is the radius of the circle. Show more…
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The Derivative
The Derivative as an Instantaneous Rate of Change
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