During the Years 2002 to 2008 Smoking Among Twelfth Grade

Short Answer

During the years 2002 to 2008 smoking among twelfth grade students was declining. A linear model for the percentage of twelfth grade students who smoke is . P is the percentage of twelfth graders who smoke and t is years since 2002. Use the model to predict the percentage of twelfth grade students who smoke in 2020. Is this answer reasonable?