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November 22, 2014

Homework Help: Algebra 1

Posted by Need Help on Tuesday, September 22, 2009 at 3:24pm.

in 1920, the record for a certain race was 45.8 sec. In 1980, it was 44.6 sec. Let R(t)=the record in the race and t=the number of years since 1920.
find the linear function that fits the data
use the function (a) to predict the record in 2003 and in 2006
find the year when the record will be 43.84 sec.

R(t)=?
what is the predicted record for 2003? sec

what is the predicted record for 2006? sec

In what year will the predicted record be 43.84 seconds?

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