A copier purchased new for $4,800 depreciates in value $500 each year.

Question

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1. The function that models this equation is Response area.

2. The rate of change for the function is Response area.

3. The model predicts that the value of the copier after 3 years will be Response area.

4. The model predicts that the value of the copier after 7 years will be Response area.

Answer 1

1. The function that models this equation is f(x) = 4800 - 500x.

2. The rate of change for the function is -500 (depreciation of $500 per year).

3. The model predicts that the value of the copier after 3 years will be f(3) = 4800 - 500(3) = 4800 - 1500 = $3300.

4. The model predicts that the value of the copier after 7 years will be f(7) = 4800 - 500(7) = 4800 - 3500 = $1300.