A member of a collegiate track and field team recently adopted a new training regimen His times s in the 400 meter event began to improve as described by the 46 where s is his time and t is the number of months since 2 60 function s 1 e beginning the new training regimen Determine k if his times have improved 1 0 second after 6 months Substitute t 0 to determine his 400 m time before the training change Round to the nearest thousandth 0 360 month 1 0 167 month 1 0 021 month 2 946 month 1 0 339 month 1