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1.Total restaurant sales (in billions of dollars) are given in the following chart. (Source: National Restaurant Association) Year 1990 1991 1992 1993 1994 Sales (in

1.Total restaurant sales (in billions of dollars) are given in the following chart. (Source: National Restaurant Association)

Year 1990 1991 1992 1993 1994

Sales (in billions of dollars) 76.1 78.4 80.3 83.1 85.5

a.Find the line of best fit model, S(t), that represents the sales since 1985 (not 1990). That means 1990 would be year 5.

b.What is your prediction for the year 2000?

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