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Functions and Graphs practice

Functions and Graphs drill

Mathematics · untimed

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Question 1 / 106

If X={x:x is recurring decimal}X=\{x: x \text{ is recurring decimal}\} and Y={y:y is terminating decimal}Y=\{y: y \text{ is terminating decimal}\}, then which of the following is true? I. X∪Y=RX\cup Y=\mathbb{R} II. X∩Y=ϕX\cap Y=\phi III. X∪Y=QX\cup Y=Q
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