7. The value of a car, t years after it is bought, is modeled by V(t) =

1+0.5t

2100+ 8

+ 150.

a) State the domain of V(t), determine any intercepts as asymptotes, and sketch the function.

{3}

b) What will the car be worth in the long run? {1}

c) After how many years will the car be worth $1500? {2}

d) Find the average rate of change in the value of the car between 2 and 5 years. {3}