During the Years 1994 to 2007 Seat Belt Use Among

Multiple Choice

During the years 1994 to 2007 seat belt use among front seat passengers ages 16 to 24 has increased. A linear model for the percentage of these passengers who use a seat belt is where P is percentage with a seat belt and t is years since 2000. The years before 2000 have a negative value for t. If you use the model to predict the percentage of these passengers who used a seat belt in 2006 which are you doing?

A) interpolation
B) extrapolation