Neco 2021 Further Mathematics Question 16
Practice objective / multiple choice question 16 from the 2021 Neco Further Mathematics examination.
Let \(A = \{1,2,3,4\}\) and \(B = \{a,b,c\}\). A function \(f: A \to B\) is defined by \(f(1)=a,\; f(2)=b,\; f(3)=a,\; f(4)=c\). Another function \(g: B \to A\) is defined by \(g(a)=2,\; g(b)=3,\; g(c)=1\). Find the set of all elements \(x\in A\) for which \((g\circ f)(x)=x\).
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About This Question
This is Neco 2021 Further Mathematics Question 16. It is one of the objective questions from the 2021 Neco Further Mathematics examination.
Difficulty level: Easy .
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