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Mathematics 20 Online
OpenStudy (anonymous):

What does the slope for this relation represent? x (years since 1991) 2 5 7 8 y (book sales billions $)18 21 23 24

OpenStudy (anonymous):

\[slope=\frac{ y2-y1 }{ x2-x1 }\]

OpenStudy (anonymous):

So 1 then? or......

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