Problem
A computer loses its value each month after it is purchased. Its value as a function of time, in months, is modelled by
V =1400(0.75)^n
Task
1. What is the initial value of the computer? Explain how you know.
2. What is the rate of depreciation? Explain how you know.
3. Determine the value of the computer after 1 year.
4. In which month after it is purchased does the computer's worth fall below $900?