# math

posted by .

The value of a new car decreases exponentially.Suppose your mother buys a new car for 22,000. The value of the car decreases by 20% each year.
a.what is the initial price of the car. The decay factor.
b. write an equation to model the value of the cars years after she buys it.
c. Find the value of the car after 6 years.

• math -

value=22000*(.8)^t

c. value=22000*(.8)^6

## Similar Questions

1. ### math

mr jones buys a new car for \$50,000. the car decreases in value at the rate of 30% each year. find the value of the car after two years.
2. ### Math (difficult)

The value of a new car purchased for \$28,000 decreases 8% per year. Write an exponential decay model for the value of the car. Use the model to estimate the value after 5 years.
3. ### Math

In 2004, your family bought a new car for \$15,000. Each year the value of the car is decreasing approximately 15% per year. Your father plans to keep the car 5 years before he buys another new car. What will be the value of the car …
4. ### Algebra 2..

a rule of thumb used by car dealers is that the trade in value of a car decreases by 20% of its value each year. suppose the initial value of your car is \$23,500. write an equation expressing the trade in value of your car as a function …
5. ### MATH

a rule of thumb used by car dealers is that the trade in value of a car decreases by 20% of its value each year. suppose the initial value of your car is \$23,500. write an equation expressing the trade in value of your car as a function …
6. ### MATH

NEED EXTREME HELP!@#\$%^a rule of thumb used by car dealers is that the trade in value of a car decreases by 20% of its value each year. suppose the initial value of your car is \$23,500. write an equation expressing the trade in value …
7. ### math

Sam bought a new car for \$26,500. The car depreciates approximately 13% of its value each year. A) What is the decay factor for the value of this car?
8. ### math

Sam bought a new car for \$26,500. The car depreciates approximately 13% of its value each year. a) What is the decay factor for the value of this car?
9. ### Functions

You purchased a new car for \$22,000. The value of the car decreases by 15% each year. Which function could be used to model the value of the car, "V", after "t" years?
10. ### Algebra

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 …

More Similar Questions