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

question 301

Multiple Choice

Decide whether the composite functions, f ° g and g ° 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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