Decide Whether the Composite Functions, F $$f \circ g$$ Nd $\mathbf { g } \circ \mathrm { f }$

Multiple Choice

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

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