The table shows the populations y (in millions) of the United States for 2009 through 2014. The variable t represents the time in years, with t = 9 corresponding to 2009. (a) Plot the data by hand and connect adjacent points with a line segment. Use the slope of each line segment to determine the year when the population increased least rapidly. (b) Find the average rate of change of the population of the United States from 2009 through 2014. (c) Use the average rate of change of the population to predict the population of the United States in 2025.
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