### Quadratic Expression and Parabolas

1. Determine the quadratic function F whose graph is given: The vertex is (3, -11) an the y-intercept is -2. 2. A man has available 2800 yards of fencing and wishes to enclose a rectangular area. 4. Express the area A of the rectangle as a function of W of the rectangle. 8. For what value of W is the area largest?