Question
As a snowball melts, its surface area decreases at the rate 4cm2/min. How fast, in cm/min, is the radius of the snowball decreasing when the
As a snowball melts, its surface area decreases at the rate 4cm2/min. How fast, in cm/min, is the radius of the snowball decreasing when the radius is 20 cm? (Note: the surface area of a ball is A=4r2, where r is a radius of a ball.)
- A. 40
- B. 1600
- C. 4
- D. 1/40
- E. 1/4
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Contemporary Precalculus A Graphing Approach
Authors: Thomas W Hungerford, Carol C Kanar, Douglas J Shaw
5th Edition
1111798508, 9781111798505
