Multiple Choice
A 100-foot-long cable of diameter 2 inches is submerged in seawater. Because of corrosion, the surface area of the cable decreases at the rate of 900in 2 per year. Express the diameter d of the cable as a function of time t (in years) . (Disregard corrosion at the ends of the cable.)
A) inches
B) inches
C) inches
D) inches
E) inches
Correct Answer:

Verified
Correct Answer:
Verified
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