Neco 2020 Further Mathematics Question 21

Practice objective / multiple choice question 21 from the 2020 Neco Further Mathematics examination.

Neco 2020 Further Mathematics Objective / Multiple Choice Easy Difficulty

Question 21 NECO • 2020 • FURTHER_MATHEMATICS • objective

If \( f:\{1,2,3,4\}\rightarrow\{a,b,c\} \) is defined by \( f(1)=a, f(2)=b, f(3)=c, f(4)=b \), state whether \( f \) is one‑to‑one and whether it is onto.

Correct Answer A. Not one-to-one; onto

B. One-to-one; not onto

C. One-to-one; onto

D. Not one-to-one; not onto

Correct Answer

Correct Option:

Not one-to-one; onto

This is Neco 2020 Further Mathematics Question 21. It is one of the objective questions from the 2020 Neco Further Mathematics examination.

Difficulty level: Easy .

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