# Question: Determine the equation of the trend line through the following

Determine the equation of the trend line through the following cost data. Use the equation of the line to forecast cost for year 7.

Year ... Cost ($ millions)

1 ..... 56

2 ..... 54

3 ..... 49

4 ..... 46

5 ..... 45

Year ... Cost ($ millions)

1 ..... 56

2 ..... 54

3 ..... 49

4 ..... 46

5 ..... 45

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