Homework Help: math

Posted by jess on Saturday, February 18, 2012 at 5:55pm.

In 1920, the record for a certain race was 45.5 sec. In 1970, It was 44.5 sec. Let R(t)=the record in the race and t=the number of years since 1920 Predict the record for 2003 and 2006

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