Sally bought an item and the dealer told her that its change in value is modeled by the function V(t) = 10000 (0.985)t where

Question

Sally bought an item and the dealer told her that its change in value is modeled by the function
V(t) = 10000 (0.985)t
where V(t) is the value in dollars t years after its purchase.
If values continue at that rate, calculate how long will it take until the item is worth only half of what Sally paid for it.
Round your answer to the nearest whole year when the value is no more than half of what she paid.
It will be worth about half of its original value after about
years.

Kunduz · Accepted Answer

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