Question 599578
Given that f(x)=x/1-x^2 , g(x)=1/x .
how to find fog (x) and gof(x) ...and how find the domains of composite functions.
----
gof(x) = g[f(x)] = g[x/(1-x^2)]
====
= (1-x^2)/x
---
Domain: All Real Numbers except -1,0, and +1
==========================
Cheers,
Stan H.