An automobile dealer determines the
trade-in value of a certain car using the
information in the table below.
Trade-in Value
Automobile
Number of
Years
Since Purchased
Trade-in Value
in Dollars
1
2
3
15,000 14,500 14,000 13,500
A t = 15,000 - 100y
B t = 15,000 - 500y
Ct = 15,000 - 1,000y
D t= 15,500 - 500y
E t = 15,500 - 1,000y
4
Which formula represents the
relationship between the trade-in value
in dollars, t, of the car and the number
of years, y, since the car was purchased?
AM