How is the graph of y = log (x) transformed to produce the graph of y = log (2 x) + 3? It is stretched horizontally by a factor of 2 and translated up 3 units. It is compressed horizontally by a factor of 2 and translated up 3 units. It is stretched vertically by a factor of 2 and translated up 3 units. It is compressed vertically by a factor of 2 and translated up 3 units.