f (x)

f(x) (Korean: 에프엑스; pronounced /ˌɛf ˈɛks/) is a five member South Korean girl group formed by SM Entertainment in 2009. 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 made their debut on September 1, 2009 with release of a digital single "La Cha Ta" (stylized as "LA chA TA"). The quintet consists of Victoria, Amber, Luna, Sulli and Krystal.

PROFILE :

 VICTORIA

Real Name : Song Qian

Date Of Birth : February 2, 1987

Birthplace: Qingdao, Shangdong, China
Height : 168cm

 LUNA

Real Name : Park Sun-young (박선영)
Date Of Birth : August 12, 1993
Birhtplace : Seoul, South Korea

 AMBER

Real name : Amber Josephine Liu
Date Of Birth : September 18, 1992

SULLI

Real name : Choi Jin-ri (최진리)
Date Of Birth : March 29, 1994

KRYSTAL

Real name : Jung Soo-jung
Date Of Birth : October 24, 1994

Birthplace : San Fransisco, California, USA

f (x) :

 f(x)_피노키오(Danger)_MUSIC VIDEO