Resale value: The resale value V , in dollars, of a certain car is a function of the number of years t since the year 2008. In the year 2008 the resale value is $18,000, and each year thereafter the...

Resale value: The resale value V , in dollars, of a certain car is a function of the number of years t since the year 2008. In the year 2008 the resale value is $18,000, and each year thereafter the resale value decreases by $1700.

 a. What is the resale value in the year 2009?

 b. Find a formula for V as a function of t.

c. Make a graph of V versus t covering the first 4 years since the year 2008.

 d. Use functional notation to express the resale value in the year 2011, and then calculate that value.