tolong batu jawab dong kk

(f o g)^-1 (x)
= (g^-1 o f^-1) (x)

= [tex] \frac{3-f^{-1}(x)}{2} [/tex]

= [tex] \frac{3-\frac{x-1}{5}}{2} [/tex]

= [tex] \frac{3-\frac{6-1}{5}}{2} [/tex]

= [tex] \frac{3-1}{2} [/tex]

= 1