PLEASE HELP BRAINLIEST ASAP!!!
A technician can test video player chips at the rate of chips per hour (for 0 iS GREATER THAN EQUAl to t is greater than or equal to 6 ), where t is the number of hours after 9:00 am. How many chips can be tested between 11:00 a.m. to 3:00 p.m.? (Assume t =0 for 9:00 a.m.)