Y=8
A horizonal line means y equals something. When you have a given point on the horizontal line you know the answer, which is the value of y in the given point.
the top of his graph for T should be at least
11 * 40 = 440
the h axis should be at least the number of hour he works
40
It can be variety of problems but a x and y plot would be ideal demonstration as you need to make a hypothesis of what you think the pattern for it is then use it for each x and y problem through put the plot
