The U.S. per capita consumption of bottled water has grown continuously since 1997, by more than 1 gallon annually.
a. Inspect the data in the chart below and explain how the data show growth of more than 1 gallon annually.
b. Construct a scatter diagram using years after 1997, x, and consumption, y.
c. Find the equation for the line of best fit.
d. Explain how the equation in part c shows that the annual consumption has grown steadily for 10 years at a rate of more than 1 gallon per year. Be specific.