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Maths Relations and Functions Class 12 MCQ and Assertion Questions

Short Quiz · Class 12 · Maths · CBSE

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Chapter 1 Class 12 Relation and Functions | 5 questions | about 4 minutes

Practise Relations and Functions Class 12 with Teachoo's Short Quiz (Class 12 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5
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Question 1 of 5
NCERT Exemplar
Let \(f:[2, \infty) \rightarrow \mathbf{R}\) be the function defined by \(f(x)=x^2-4 x+5\), then the range of \(f\) is
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Question 2 of 5
NCERT Exemplar
Let \(\mathbf{N}\) be the set of natural numbers and the function \(f: \mathbf{N} \rightarrow \mathbf{N}\) be defined by \(f(n)=2 n+3 \forall n \in \mathbf{N}\). Then \(f\) is
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Question 3 of 5
NCERT Exemplar
Let \(f: \mathbf{R} \rightarrow \mathbf{R}\) be defined by \(f(x)=x^2+1\). Then, pre-images of 17 and -3 , respectively, are
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Question 4 of 5
CBSE Board Exam 2024
A function \(f: R \rightarrow A\) defined as \(f(x)=x^2+1\) is onto, if \(A\) is :
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Question 5 of 5
NCERT Exemplar
Let R be a relation on the set \(\mathbf{N}\) of natural numbers defined by \(n \mathrm{R} m\) if \(n\) divides \(m\). Then R is
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