February 22, 2017

Homework Help: algebra

Posted by need help please on Sunday, December 20, 2009 at 5:18pm.

ok i don't get this one

in 1920 the record for a certain race was 45.9 sec in 1980 it was 44.1 sec let r (T) = the record in the race and t= the number of years since 1920

(a) find a linear fuction that fits the data
(b) use the funcation in (a) to perdict the record for 2003 and 2006
(c) find t he year when the record will be 43.20 sec..

help please thatnks in advance

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