alleryIf every element of Y is in X, then Y is a:
ASupport
BSurplus
CSubset
DSunset
Answer & Solution
Correct answer: C. Subset
1. Containment of one set in another has a name.
2. The smaller sits inside the larger.
3. Every element of Y is also an element of X, so Y is a subset of X.
4. So the answer is a subset.
_Source: syllabus Mathematics, Ch 1 'Sets'_
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