Draw a rectangle with the vertices A (2, 1) B (4, 1) C (4, 4) and D (2, 4)

Perform the following transformations:
- translate the rectangle 1 unit down
- reflect that image over the y-axis

Select the coordinates of point B" in the transformed image:

(-2, 3)
(-2, 0)
(-4, 0)
(-4, 3)