Someone please answer this quick I need both answers to it!

The graph shown is the graph of which function?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?