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Indian Navy 10+2 B.Tech Cadet 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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The range of the function $f(x)=x^2,\; x\in\mathbb{R}$ is:The domain of $f(x)= qrt{4-x^2}$ is:Which of the following sets of ordered pairs represents a function?For finite sets, $n(A\times B)$ equals: