What is the answer to 4x−1<11.

Can someone me with my hwplz(only the circled ones)

Which graph represents an even 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.