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April 23, 2014

Homework Help: Algebra 1

Posted by Esther on Wednesday, January 26, 2011 at 3:13am.

In 1920 the record for a certain race was 45.1 sec. In 1960, it was 44.3 sec. Let R(t)= the record in the race t= the number of years since 1920. Thank you so much

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