The 'L'-shape is reflected in the y axis. Which one of the following shows the correct image?

A shows a reflection in the x axis
B correctly shows a reflection in the y axis
C shows a reflection in the line y = x
D shows a reflection in the line y = -3
Option B is the correct answer.
SOURCE:
I found an answer from stats.stackexchange.com
How to interpret a QQ plot - Cross Validated
If the values lie along a line the distribution has the same shape (up to ... Local behaviour: When looking at sorted sample values on the y-axis and ...
For more information, see How to interpret a QQ plot - Cross Validated
I found an answer from en.wikipedia.org
Mirror image - Wikipedia
A mirror image (in a plane mirror) is a reflected duplication of an object that appears almost identical, but is reversed in the direction perpendicular to ...
For more information, see Mirror image - Wikipedia