Posted by **Chevy** on Tuesday, November 1, 2011 at 6:53am.

Every four years the value of a Chevy Cabalier is reduced by half.

Purchase price $15,375

After t years of ownership:

Age of car: Value:

0 15,375

4 7,687.50

8 3,843.75

If P is price after t years, Which would be a good model for the values above?

a) P(t) = 15,375 (2)^t

b) P(t) = 15,375 (1/2)^t

c) P(t) = 15,375 (1/2)^t/4

d) P(t) = 15,375 (2)^t/4

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