INEQUALITIES (2 VARIABLES) Linear Programming (Page 3 of 7)

Start with a standard window.

 ZOOM key. 6: menu selection. Calculator screen image.

The set of feasible solutions is the region in the plane to the right of the y-axis where the three individual shadings overlap. Now use the ZOOM Zbox command to modify the window so that this region is better visible. We will fix the lower left corner near (0, -1) and the upper right corner near (6, 5).

 ZOOM key. 1: menu selection.
 Down arrow key.... Move cursor near (0, -1) ENTER key.
 Right arrow key.... Up arrow key.... Move cursor near (6, 5) ENTER key.
 CLEAR key.		 Calculator screen image.
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