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An electric can opener is worth 36 dollars when it is new. After each year, it is worth half what it was the previous year. What will it's worth be after 8 years? Round your answer to the nearest cent. Write the model.

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JunhaoZ
So the equation is f(x)=36*(.5)^8, since your principal worth is 36 and it depreciates by 1/2 each year, which is 14 cents.

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