tolong di jawab secepatnya

semoga membantu ya
ㅡ :)

[tex](g \: o \: f)( - 1) = g \: (f( - 1)) \\ \\ f( - 1) = 3( - 1) + 2 = - 1 \\ jadi \: \\ g(f( - 1)) = g( - 1) \\ g( - 1) = \frac{ ( - 1) + 3}{2( - 1) - 1} = - \frac{2}{3} [/tex]