courteneyact:11/ ∞ list of faves - f(x) 에프엑스↳ “f(x) is mathematic symbol
courteneyact: 11/ ∞ list of faves - f(x) 에프엑스 ↳ “f(x) is mathematic symbol and when you input different ‘x’, you can have different outcomes. So as f(x), we want to be the kind of group that can change and adapt to many situations. .” -- source link