Determine Whether $$( f \circ g ) ( x ) = x \text { and whether } ( g \circ f ) ( x ) = x \text {. }$$

question 522

Multiple Choice

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

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