SOLUTION: The formula R=-0.028t + 20.8 can be used to predict the world records in the 200-m dash t years after 1920. Determine (in terms of an inequality) those years for which the world re
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Question 729974: The formula R=-0.028t + 20.8 can be used to predict the world records in the 200-m dash t years after 1920. Determine (in terms of an inequality) those years for which the world record will be less than 19.0 sec. Answer by lynnlo(4176) (Show Source):
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