Which function has an inverse function?
in this picture, there are the options, which one it's?
a, b, c or d
will give you 15pts

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.