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August 29, 2015

Homework Help: Math

Posted by Liz on Thursday, March 11, 2010 at 1:38am.

In 1920, the record for a certain race was 46.6 sec. In 1980, it was 45.4 sec. Let R(t)= the record in the race and t = the number of years snce 1920.
a) Find a linear function that fits the data R(t) =
b) Use the function in (a) to predict the record in 2003 and in 2006.
2003 =
2006 =
c) Find the year when the record will be 46.68 sec.

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