Diana has available 1600 yards of fencing and wishes to enclose a rectangular area.

a). Express the area A of the rectangle as a function of the width W of the rectangle.
b). For what value of W is the area the largest?
c). What is the maximum area?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)