Question

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

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

2. What is your prediction for the year 2000?

Answer 1

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