a high school play costs an up front $30,000 to produce, plus an additional cost of $1000 for each performance. every sold out p
erformance of the play brings in $2500 of revenue to the school. how many sold out performances are needed so that the school breaks even on the production of the play
You can use the vertical line test (the blue lines on the drawing) and if the other end or if any part of the line touches the blue line, then it isn’t a function.
If you want to make it so that you work most of the hours on the first 4 days, you should work 5 hours. 5*4=20, so 1 hour would be left over on the 5th day.