alleryA half-open interval includes how many of its end numbers?
AExactly one of the two
BBoth of the two numbers
CNeither of the two numbers
DEvery number beyond them
Answer & Solution
Correct answer: A. Exactly one of the two
1. A half-open interval includes one number but not the other.
2. Both ends included would make it closed.
3. No ends included would make it open.
_Source: Wikipedia, Number line, Portions of the number line_
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