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. What is the vertical intercept of the model and what does it mean in terms of the problem?
A) . In the year 1994 seat belt use was 64.60.
B) . In the year 2000 seat belt use was 64.60.
C) 2.33. Every year seat belt use goes up 2.33%
D) . In the year 2000 seat belt use was 64.60%.

Question

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. What is the vertical intercept of the model and what does it mean in terms of the problem?
A) . In the year 1994 seat belt use was 64.60. 
B) . In the year 2000 seat belt use was 64.60. 
C) 2.33. Every year seat belt use goes up 2.33% 
D) . In the year 2000 seat belt use was 64.60%.

Quizplus · Accepted Answer

The Answer of 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. What is the vertical intercept of the model and what does it mean in terms of the problem?
A) . In the year 1994 seat belt use was 64.60. 
B) . In the year 2000 seat belt use was 64.60. 
C) 2.33. Every year seat belt use goes up 2.33% 
D) . In the year 2000 seat belt use was 64.60%.

During the Years 1994 to 2007 Seat Belt Use Among