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A cancer tissue is in the shape of a sphere whose radius is increasing at the rate of 2 mm per day. How fast is its surface area increasing when the radius is 10 mm? O a. 320t mm²/day O b. 120t mm²/day O c. 80rt mm2/day O d. 160rt mm²/day

A cancer tissue is in the shape of a sphere whose radius is increasing at the rate of 2 mm per day. How fast is its surface area increasing when the radius is 10 mm? O a. 320t mm²/day O b. 120t mm²/day O c. 80rt mm2/day O d. 160rt mm²/day

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter65: Achievement Review—section Six
Section: Chapter Questions
Problem 44AR: Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places...
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A cancer tissue is in the shape of a sphere whose radius is increasing at the rate of 2 mm per day. How fast is its surface area increasing when the radius is 10 mm? O a. 320Tt mm2/day O b. 120t mm²/day O c. 80rt mm²/day O d. 160rt mm²/day A conical tank of water, 10 ft high with radius of 6 ft, is leaking at the bottom at the rate of 10 cubic feet per minute. How fast is the depth of the water decreasing when the height is 6 ft? O a. -0.75 ft/min O b. -0.25 ft/min O c. -0.60 ft/min O d. -0.35 ft/min
Transcribed Image Text:A cancer tissue is in the shape of a sphere whose radius is increasing at the rate of 2 mm per day. How fast is its surface area increasing when the radius is 10 mm? O a. 320Tt mm2/day O b. 120t mm²/day O c. 80rt mm²/day O d. 160rt mm²/day A conical tank of water, 10 ft high with radius of 6 ft, is leaking at the bottom at the rate of 10 cubic feet per minute. How fast is the depth of the water decreasing when the height is 6 ft? O a. -0.75 ft/min O b. -0.25 ft/min O c. -0.60 ft/min O d. -0.35 ft/min
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