Question 164922
a)y=3/2x-3 (red line)
b)y=-x+4 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, 3x/2 -3, -x +4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x/2 -3 and -x +4). 
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c)y=2/3x+3 (red line)
d)y=-4x-1 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, 2x/3 +3, -4x -1) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 2x/3 +3 and -4x -1).