February 23, 2017

Homework Help: algebra

Posted by cat on Friday, July 22, 2011 at 6:27am.

The formula

R =−0.0026? + 4.0807

can be used to predict the world record, in minutes, for the 1500-m run t years after 1900. Determine (in terms of an inequality) those years for which the world record will be less than 3.8 min.

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