I am here with a guide to f(x) but this time is going to be a helpful one, not like the other one that I’ve written about VIXX.
If you don’t know f(x) well or just gotten into them, this post is for you!
f(x) (에프엑스) debuted on September 5th, 2009 under SM Entertainment.
The name is a play on the mathematical notation for function, with “f” signifying “flower” and “x” representing the female’s double X chromosome. The group consists of 4 members: Victoria, Amber, Luna, and Krystal. In August 2015, Sulli officially left the group to concentrate on her acting. f(x) debuted on September 5th, 2009 under SM Entertainment.