The percentages of American adults in favor of banning smoking in public places are shown in Table 63 for various years.

Let y be the percentage of American adults who favor banning smoking in public places at x years since 2000.
a. Construct a scatterplot.
b. Use two points to find an equation of a model.
c. What is the slope? What does it mean in this situation?
d. What is the y-intercept. What does it mean in this situation. Do you have much faith in your result?
e. Estimate the percentage of American adults who favored banning smoking in public places in 2009.

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Table 63 Percentages of American Adults in Favor of Banning Smoking in Public Places Year 2003 2005 2007 2011 2013 2014 Percent 31 39 40 59 56