If F(x) = 9x, which of the following is the inverse of F(x)?

How can you tell when x and y are not directly proportional?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

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.