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3 November, 16:12

A used car has a value of $15,250 when it is purchased in 2012. The value of the car decreases at a rate of 7.5% per year.

Write an exponential function that models the value of the car, y, over x years.

To the nearest cent, what will be the value of the car after eight years?

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  1. 3 November, 18:40
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    The given P=15250

    r=7.5/100=0.075

    t=x

    y = 15250 * (1 - 0.075) ^x

    after 8 years we would have

    x = 8

    y = 15250 * (1 - 0.075) ^8

    y = $8,173.42

    after 8 years the value of the car would be $8,173.42
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