# Algebra 1

posted by Mary

Cassandra bought a car for 22,385. The value depreciates 14% a year.

a. Write a function, d(x), that gives the value of the car after x years.

b. What will the value of Cassandra's car be after 10 years

1. Henry

a. V = C - C*(1-r)^t.
V = Value.
C = Cost.
r = Depreciation rate.
T = Time in years.

b. V = 22,385(0.86)^10 =

2. Henry

a. Correction: V = C(1-r)^t.

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