Correct answer only ! i cannot retake

What is the solution of log2  (3x  -  7)  =  3? 4 5

What are the domain and range of the function f(x)=2^x+1

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.