Question 82686
y=-4x+1 (red line)
y=-4x-10 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, y = -4x +1, y = -4x -10) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -4x +1 and y = -4x -10).