Posted by **C** on Monday, May 12, 2008 at 10:43pm.

In 1920 the record for a certain race was 45.4 sec. in 1950, it was 41.5 sec. let R(t) = the record in the race and t the number of years since 1920.

R(t)=?

What is the predicted record for 2003?

What is the predicted record for 2006?

in what year will the predicted record be 44.4 sec?

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