Decide whether the composite functions, f ∘ g and g ∘ f, are equal to x.
-f(x)= , g(x)=
A)No, no
B)No, yes
C)Yes, no
D)Yes, yes

Name: Decide whether the composite functions, f ∘ g and g ∘ f, are equal to x. -f(x)= , g(x)= A)No, no B)No, yes C)Yes, no D)Yes, yes
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Question

Decide whether the composite functions, f ∘ g and g ∘ f, are equal to x.
-f(x)=  , g(x)= 
A)No, no 
B)No, yes 
C)Yes, no 
D)Yes, yes

Quizplus · Accepted Answer

Since the output of f is in a different format than the input of g, it is not possible to compose the two functions f and g. Therefore, neither f ∘ g nor g ∘ f is equal to x.

Decide Whether the Composite Functions, F ∘ G and G