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Mathematics 5 Online
OpenStudy (lilkg77):

A data set consists of the following data points: (2, 4), (4, 7), (5, 12) The line of best fit has the equation = -1.5 + 2.5x. What does this equation predict for a value of x = 3? A. 10.5 B. 7.5 C. 6 D. 9

OpenStudy (onepieceftw):

Just substitute 3 for x. -1.5 + 2.5(3)

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