Respuesta :

gufeliz1965

Let g(n) = y

We then have y = -n + 3.

Exchange y and n.

n = -y + 3

Solve for y.

n - 3 = -y

(n - 3)/(-1) = -y/(-1)

-(n - 3) = y

Replace y with g^(-1) n.

-(n - 3) = g^(-1) n

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