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Let Y represent the profit (or loss) for a certain company X years after 1975. Based on the data shown below, a statistician calculates a

Let Y represent the profit (or loss) for a certain company X years after 1975. Based on the data shown below, a statistician calculates a linear model Y=1.45X+40.01=-1.45+40.01.

x y
2 39.2
3 35.2
4 33.1
5 32.1
6 29.6
7 31.1
8 28.6
9 25.1
10 26.8
11 23.1
12 23.3
13 23
14 18.8
15 19.9
16 15.9
17 14.3

Use the model to estimate the profit in `1979 y =

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