A company found that new employees prefer training sessions of moderate length; shorter The training session length that received the highest rating is | | minutes. training sessions provided too little instruction to complete a task, while longer training sessions contain too much instruction to remember For a training session on a particular (Simplify your answer.) task, the company determined that the ratings new employees gave for the training 30t session could be approximated by R(1 2 . where t is the length of the training + 225 session in minutes. Find the training session length that received the highest rating