The formula R= -0.75t +385
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 3.7 min. Solve for t
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 3.7 min. Solve for t