(0,3), (1,9), (2, 19), and (3, 33) are all points on the graph of a Quadratic function. Write the Quadratic equation that represents that function.​

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.