Question

For the function g(x) = 1 , find (g^-1 o g)(0).
_____
x + 1

Answer 1

g(x)=y=1/(x+1)
x=1/y-(1)

g^-1(x)=1/x-(1)
g^-1o g(x)=1/(1/(1+x))-(1)

= x
g^-1 o g(o)=0