Respuesta :

Answer:

see the procedure

Step-by-step explanation:

we have

[tex]f(x)=x+5[/tex]

step 1

Let

y=f(x)

[tex]y=x+5[/tex]

step 2

Exchange the variables

x for y and y for x

[tex]x=y+5[/tex]

step 3

Isolate the variable y

[tex]y=x-5[/tex]

step 4

Let

[tex]f^{-1}(x)=y[/tex]

[tex]f^{-1}(x)=x-5[/tex]