3. The Tookesons want to purchase a used SUV. A used-vehicle guide shows the average retail value is $9,480. Add $150 for
air-conditioning, $75 for anti-lock brakes, and $150 for the
Global Positioning System (GPS). Subtract $100 for a manual
transmission and $300 for excessive mileage. What is the
average retail value of the SUV?

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