Posted by **Maddy** on Friday, September 24, 2010 at 12:19am.

Teaneck High had an enrollment of 11040 in 1985 and an enrollment of 12100 in year 1998. What is the predicted enrollment of Teaneck High in 2014 if we assume a linear model?

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**MathMate**, Friday, September 24, 2010 at 7:49am
Assuming linear variation, rate of increase,

r = (12100-11040)/(1998-1985)

Predicted enrollment in 2014,

E(2014) = E(1998)+(2014-1998)r

= 12100 - (2014-1998)r

Calculate for E(2014).

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