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

question 473

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

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