The annual profits of Alaska Air Group are shown in Table 63 for various years.

Let p be the annual profit (in millions of dollars) at t years since 2002.
a. Without graphing, estimate the coordinates of the t-intercept for a line that comes close to the data points. What does that point mean in this situation? If you don€™t see how to estimate the coordinates, construct a scatter- plot of the data first.
b. Without graphing, estimate the coordinates of the p-intercept for a line that comes close to the data points. What does that point mean in this situation? If you don€™t see how to estimate the coordinates, construct a scatter- plot of the data first.

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Table 63 Annual Profits of Alaska Air Group Annual Profit (millions of dollars) -68 -31 Year 2002 2003 2005 2007 2009 2011 92 89 245