How is the graph of y=-3 sqr root x-4 transformed to produce the graph of y=-3 sqr root 2x-4?
-The graph is stretched horizontally by a factor of 2 and then moved right 4 units
-The graph is compressed horizontally by a factor of 2 and then moved down 4 units
-The graph is compressed horizontally by a factor of 2, moved left 4 units, and moved down 4 units
-The graph is stretched horizontally by a factor of 2, moved left 4 units, and moved down 4 units