Neco 2019 Further Mathematics Question 45

Practice objective / multiple choice question 45 from the 2019 Neco Further Mathematics examination.

Neco 2019 Further Mathematics Objective / Multiple Choice Easy Difficulty

Question 45 NECO • 2019 • FURTHER_MATHEMATICS • objective

Let \(A=\{1,2,3,4,5\}\) and define \(f:A\to A\) by \(f(x)= (x^{2}+1)\bmod 5\), where a result of \(0\) is interpreted as \(5\). What is the image set \(f(A)\)?

A. {2,3,5}

B. {1,2,3}

Correct Answer C. {1,2,5}

D. {1,3,5}

Correct Answer

Correct Option:

{1,2,5}

This is Neco 2019 Further Mathematics Question 45. It is one of the objective questions from the 2019 Neco Further Mathematics examination.

Difficulty level: Easy .

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