Respuesta :

Answer:Interchange the variables.

x

=

2

y

+

2

Solve for  

y

.

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y

=

x

2

−

1

Solve for  

y

and replace with  

f

−

1

(

x

)

.

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f

−

1

(

x

)

=

x

2

−

1

Step-by-step explanation: