Question 88826
4X+Y=4 OR Y=-4X+4 GRAPHED THIS LINE IS: {{{ graph( 300, 200, -6, 5, -10, 10, y  = -4x +4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = -4x +4). 
Now you need to darken the area to the right & above this line for all values > or = 4.