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CBSE Class 11 Relations and Functions — practice questions

4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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If $|A| = 3$ and $|B| = 4$, the number of elements in $A \times B$ is:A relation $R$ from $A$ to $B$ qualifies as a function when:The function $f: \mathbb{R} \to \mathbb{R}, f(x) = x^2$ is:The graph of $f(x) = 1/x$ in $\mathbb{R} - \{0\}$ is: