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Mathematics, 04.11.2019 01:31 VoidedAngel

Amobile phone user tracks the value of an expensive mobile phone over a period of time. the initial cost of the mobile phone is $100, and its value depreciates at a rate of 15% per year. the function f represents its value after t years.

which of the following functions is given in a form that clearly reveals the approximate monthly depreciation rate?
a.

b.

c.

d.

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