Choose the correct mirror image of the figure (x).

The correct answer is Option (3) → 

A mirror placed beside the figure turns left into right but keeps top and bottom. So the long arrow, which rises to the right in (x), rises to the left in the image with its head at the top left, and the short arrow, which points down to the right, points down to the left. Only figure (c) shows both changes (long arrow green, short arrow amber in the picture).