Gce Model Questions Vol1 2018 Further Mathematics Question 22

Practice objective / multiple choice question 22 from the 2018 Gce Model Questions Vol1 Further Mathematics examination.

Gce Model Questions Vol1 2018 Further Mathematics Objective / Multiple Choice Easy Difficulty
Question 22 GCE_MODEL_QUESTIONS_VOL1 • 2018 • FURTHER_MATHEMATICS • objective

Let the function \(f\) be defined from the set \{1,2,3,4,5\} to the set \{a,b,c\} by \(f(1)=a,\; f(2)=b,\; f(3)=c,\; f(4)=a,\; f(5)=b\). Determine whether \(f\) is one-to-one and whether it is onto. Also give the pre‑image of \(a\).

Answer Options

A. Not one-to-one; onto; pre‑image of a = {2,5}
Correct Answer B. Not one-to-one; onto; pre‑image of a = {1,4}
C. Not one-to-one; not onto; pre‑image of a = {1,4}
D. One-to-one; not onto; pre‑image of a = {1,4}
Correct Answer
B
Correct Option:
Not one-to-one; onto; pre‑image of a = {1,4}

About This Question

This is Gce Model Questions Vol1 2018 Further Mathematics Question 22. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Further Mathematics examination.

Difficulty level: Easy .

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