$\"\"$

The system of inequalities are $\"\"$ .

The objective function is $\"\"$ . \ \

Graph:

Graph the inequalities and locate the vertices:

$\"\"$

Observe the graph:

The vertex points are $\"\"$ , $\"\"$ and $\"\"$ .

$\"\"$

Evaluate the function for each vertex.

\ \

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

Observe the table:

The maximum value is $\"\"$ at $\"\"$ , and the minimum value is $\"\"$ at $\"\"$ .

$\"\"$

The maximum value is $\"\"$ and minimum value is $\"\"$ .