-DQ-

hi there

I had this question;
Hi could anyone be kind enough to tell me how to find domain of gof (x):

f(X)= 1-x^2, x is any no. in R
g(x)= 2x, x >= 0

Thanks a lot.

If this is not where to ask cud u tell me where to, otherwise i d be waiting for ur appreciated reply. thanks.