The scatter plot shows the temperature in Celsius and the amount of rainfall in centimeters. Using the trend of the scatter plot, how much rain will fall at 40 degrees Celsius?

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Xf(x) = 2x + 5 1 7 2 9 3 11 4 13 5 15 6 17 linear functions grow by equal differences over equal intervals. in the table above, what column could be added to prove this relationship?

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