Question:
(a) If A is the area of a circle with radius r and the
Last updated: 7/8/2022
![(a) If A is the area of a circle with radius r and the](https://media.kunduz.com/media/sug-question/raw/84187453-1657273775.2921097.jpeg?h=512)
(a) If A is the area of a circle with radius r and the circle expands as time passes, find dA/dt in terms of (b) Suppose oil spills from a ruptured tanker and spreads in a circular pattern. If the radius of the oil spill increases at a constant rate of 1 m/s, how fast is the area of the spill increasing when the radius is 38 m?