Name:

  The following data represents the average cost of buying a 3 bedroom house in Lynchburg, Virginia

1. Can the above data be modeled by a linear function, an exponential function, or neither?

a.  Linear function

b.  Exponential Function

c.  Neither

2.  If t is time in decades since 1980, and C is the cost in dollars of buying a 3 bedroom home in Lynchburg, VA, then which formula describes the data above?

a.  C = 3000t + 150000

b.  C = 30000t + 150000

c.  C = 150000 (1.2)^t

d.  C = 150000 (1.02)^t

e.  None of the above

3.  If log A = 2 and log B = 4, find log (AB).

a.  2

b.  4

c.  6

d.  8

e.  10

4.  In what year will the cost of such a home reach 300,000 dollars?

a.  2016.

b.  2018.

c.  2020.

d.  2022.

e.  2024.