Question

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

  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.

  1. What is your prediction for the year 2000?

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