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Mathematics 21 Online
OpenStudy (anonymous):

For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. X (10, 12, 15) Y ( 18, 20, 24 ) A. yes; y=1.2x B. yes; y=2x C. yes; y=x+1 d.. no; y does not vary directly with x.

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