February 23, 2017

Homework Help: math (am i correct)

Posted by scooby9132002 on Sunday, June 14, 2009 at 6:33pm.

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

1.)find a linear function that fits this data?

2.) use a function to predict the record in 2003 and 2006.

3.) find the year when the record will be 44.98 sec.

I think number 1 is 46.9

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