Describe how the graph y=2(3) - 2 can be transformed to the graph y=4(3) +4 O The graph has a vertical shift up 6 units, a reflection over the y axis and a vertical stretch by a factor of 2. The graph has a vertical shift down 6 units, a reflection over the y axis and a vertical stretch by a factor of 2. O The graph has a vertical shift down 4 units, a reflection over the x axis and a vertical stretch by a factor of 4. The graph has a vertical shift up 4 units, a reflection over the x axis and a vertical stretch by a factor of 4.