jika f-¹(x)=x-1/5 dan g-¹(x)=3x-1/2 maka tentukanlah nilai (fog)-¹(6)

[tex](fog) {}^{ - 1} (x) = ( {f}^{ - 1} og {}^{ - 1} )(x) = \frac{( \frac{3x - 1}{2} ) - 1}{5} = \frac{ \frac{3x - 3}{2} }{5} = \frac{3x - 2}{10} [/tex]
(fog)-¹(6)=(3(6)-2)/10 = 16/10=8/5