A company found that new employees prefer training sessions of The training session length that received the highest rating is moderate length; shorter training sessions provided too little minutes . instruction to complete a task, while longer training sessions (Simplify your answer.) contain too much instruction to remember. For a training session on a particular task, the company determined that the ratings new employees gave for the training session could be approximated by 22t R(t) = where t is the length of the training session in +2+ 121 minutes. Find the training session length that received the highest rating