1.You buy a new computer for $1,500. The value y (in dollars) of the computer decreases by 40%
each year.
2. Write an exponential function for the value, y, after x years.
3. How much will the computer be worth after 5 years of ownership?

4.A house was bought 20 years ago for $450,000. Due to inflation, its value has increased about 2%
each year.
5. Write an exponential function for the value, y, after x years.
6. How much will the house be worth after 10 years of ownership?