Need quick .
the value of a computer which initially cost $1600 depreciates in value 18% every year.
find an exponential model which describes the value of the computer after x years. (what is the
exponential equation)

Hello!

The equation for an exponential deprecation model like this is , where a is the starting value, x is the number of years passed, and r is the amount the value deprecates each year.

We know what a and r are: a = 1600, as that is the original cost of the computer, and r = .18, as that's how much it decreases by. Substitute these two into the equation.

We get . Now, subtract 1 - .18 to get our final answer.

is therefore the final model.

Hope this helps!

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