Respuesta :

Medunno13

Answer:

Step-by-step explanation:

a) f(4)=7(4)-6=22.

b) This is equal to 4. Since [tex]f^{-1}(x)=y \implies f(y)=x[/tex], we get that since f(4)=22, [tex]f^{-1}(22)=4[/tex].