I need help!!! I am going to fail if I don't!!! I will mark you brainiest.

Room and board charges for on-campus students at the local college have increased 2.3% each year since 2000. In 2000, students paid $5,783 for room and board.

Write a function to model the cost C after t years since 2000.

If the trend continues, how much would a student expect to pay for room and board in 2017? Express your answer as a decimal rounded to the nearest hundredth.