I attached an image with the function.
From the origin you go left 2 and down 4. Since there is a 2 in front, you go up 2 and right one from the translated origin point. It’s a bit hard to explain, so I inserted a picture of the graphed function.
The work you can show is saying you went left 2 and down 4 from the origin, and from there, you stretch the y points by a factor of 2.