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

question 385

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