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Short Quiz - Chapter 1 Class 12 Relation and Functions

Chapter 1 Class 12 Relation and Functions | 5 questions

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Question 1 of 5
Question 1 of 5
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If the set A contains 5 elements and the set B contains 6 elements, then the number of one-one and onto mappings from A to B is
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Question 2 of 5
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Let \(f: \mathbf{R} \rightarrow \mathbf{R}\) be given by \(f(x)=\tan x\). Then \(f^{-1}(1)\) is
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Question 3 of 5
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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 4 of 5
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Let \(f: \mathbf{R} \rightarrow \mathbf{R}\) be defined by \(f(x)=3 x-4\). Then \(f^{-1}(x)\) is given by
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Question 5 of 5
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Let \(f: \mathbf{N} \rightarrow \mathbf{R}\) be the function defined by \(f(x)=\frac{2 x-1}{2}\) and \(g: \mathbf{Q} \rightarrow \mathbf{R}\) be another function defined by \(g(x)=x+2\). Then \((g \circ f) \frac{3}{2}\) is
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