Question: A report in the Child Trends DataBase indicated that, in 1996, 22.2% of twelfth grade students reported daily use of cigarettes. In 2006, 12.2% of

A report in the Child Trends DataBase indicated that, in 1996, 22.2% of twelfth grade students reported daily use of cigarettes. In 2006, 12.2% of twelfth grade students reported daily use of cigarettes.

(a) Write a linear equation that relates the percent y of twelfth grade students who smoke cigarettes daily to the number x of years after 1996.

(b) Find the intercepts of the graph of your equation.

(d) Use your equation to predict the percent for the year 2016. Is this result reasonable?

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a The yintercept is 0 30 so b 30 Since the ramp drops 2 inches for every 25 inches of run ... View full answer

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