1. DVD PLAYER SALES The table below indicates DVD player sales for the month of December for years since the DVD
player format was launched in 1997. (Source: Consumer Electronics Association)
Year December DVD Player Sales
1997
42,575
1998
133,505
1999
646,290
2000
1,303,091
2001
1,862,772
(а) Obtain a scatter plot of the data. Does an exponential model appear to be appropriate?
(b) If t = the number of years since 1997 and let D = DVD player sales, find the exponential
regression model D(1) = a. b' that best fits the data.
(C) What is the practical domain and range of this function.
(d) Predict the DVD player sales for December 2005.
(e) Set up an equation and solve to find the year when DVD player sales will top 10 million in
December
PIVOTA