A salesman makes both a base salary and Also a comission, which is the percentage of what he sells. Each month, if his sales s dollars, he makes a total of 2000 + 0.1 s dollars. what does 2000 represent ?

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image