y = 2x+1 (green) | y = 2x+3 (blue) y = 2x-2 (red) | y = -3x+2 (orange) y = -2(x-3) (magenta) | y = -2(x-3)+1 (brown) -3 ≤ x ≤ 6, -3 ≤ y ≤ 6