$\"\"$

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.

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

Observe the table:

The minimum value is $\"\"$ at $\"\"$ .

There is no maximum value.

$\"\"$

There is no maximum value and minimum value is $\"\"$ .