math
posted by scooby9132002 .
in 1920 the record for a certain race was 46.9 sec. In 1990 it was 45.5 sec. let R(t) = the record in the race and t = the number of years since 1920
what is the predicted record for 2006?
In what year will the predicted record be 44.98 seconds?

Hey Scooby, I showed you how to do 2003. Now do 2006 yourself and work the other way to get the year for 44.98.
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