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Question 9 A certain industrial machine depreciates so that its value after t years becomes Q(t) = 30,000 e -0.34t dollars. At what percentage rate

Question 9

A certain industrial machine depreciates so that its value after t years becomes Q(t) = 30,000e ^-0.34t dollars.

At what percentage rate is the value of the machine changing with respect to time after t years?

Does this percentage rate depend on t or is it constant?

A) Variable rate of -6e ^-0.34t

B) Constant rate of -34% per year

C) Constant rate of -6% per year

D) Constant rate of 6% per year

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