World Records in the 1500-m Run. The formula R = -0.075t + 3.85 can be used to predict the world record in the 1500-m run t years after 1930. Determine (in terms of an inequality) those years for which the world record will be less than 3.5 min.
{ Y l Y > 1930 } ?
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so, how many times you gonna post the same flaming problem?
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