A2 Spring Exam Review Page 1

Justin drove his pickup truck about 22,000 miles in 2010. He read that in 2004, the average residential vehicle traveled about 10,200 miles, which increased by about 2.9% per year. Write a function for the average miles, m, as a function of time, t, the years since 2004.

In 2010, did Justin drive more or fewer miles than the average driver?

• More

• Fewer

• The same

• Cannot be determined

Justin bought his new truck for $32,000. Its value decreases 9.0% each year. Write a function for the value of the truck, v, as a function of time, t.

When will the value of Justin’s truck fall be half of what he paid for it?

• After 8.35 years

• After 7.35 years

• After 6.35 years

• After 5.35 years

• 8

• 27

• 64

• 125

• n = 5

• n = 9

• n = 3

• n = -3

• x = 0

• x = 4

• x = -4

• No solution