In the years after warning labels were pw on cigarette packs. the number of smokers
Chapter 1, Problem 98(choose chapter or problem)
In the years after warning labels were pw on cigarette packs. the number of smokers dropped from approximately two in Jive adults to one in five. 111e bar graph shows the percentage of American adults who smoked cigarettes for selecled years from 1970 through 2010. 40% 30% 20% 10% Percentage of Ame-.rican Adults Who Smoke Cigarettes 19% 1970 1980 1990 2000 2010 Year Source: Ce.nters for Disease Control and Prevention The nwthematic.af model X p + - - 37 2 describes the percentage of Americans who smoked cigarettes, p. x years after 1970. Use this model to solve tercises 97-98. a. Does the mathematical model underestimateoroverestimate the percentage of American aduJts who smoked cigarettes in2000? By how much? b. Usc the mathematical model to project the year when only 2% of American adults will smoke cigarettes..
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