Decide Whether the Composite Functions, F ° G and G $$f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 }$$

Multiple Choice

Decide whether the composite functions, f ° g and g ° f, are equal to x.
- $$f ( x ) = \sqrt { x + 1 } , g ( x ) = x ^ { 2 }$$

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