Determine Whether (F  G)(x) = X and Whether (G $$f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 }$$

Multiple Choice

Determine whether (f  g) (x) = x and whether (g  f) (x) = x.
- $$f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 }$$

A) Yes, no
B) No, yes
C) No, no
D) Yes, yes