This value can be found by determining the number of elements in a set. For instance, if a set has 4 elements, then its cardinality is equal to 4. Answer and Explanation: Cardinality of the set is the number of elements in the ...
There are two ways that the power set of a setAis denoted. One way to denote this is use the symbolP(A), where sometimes this letterPis written with a stylized script. Another notation for the power set ofAis 2A. This notation is used to connect the power set to the number of elemen...
(2022·江苏省马坝高级中学高二期中)Chinahassetnewruleslimitingtheamountoftime childrencanplayonlinegames.Theruleslimitchildrentojustthreehoursofonlinegameplayinga week.Thatisonehourbetween8p.m.and9p.m.onFriday,SaturdayandSundaymostweeks. LiZhanguohastwochildrenaged4and8.Eventhoughtheydonothavesmartphones,they...
The definition of the empty set is quite subtle and requires a little bit of thought. It is important to remember that we think of asetas a collection of elements. The set itself is different from the elements that it contains. For example, we will look at {5}, which is a set conta...
In the set theory, we can comment on a set to be the collection of well defined objects. The objects of a set are known as its elements. The intersection of two sets represents another set that has common elements of those two sets....
Anyway, grandpa is now an internet star — two minutes of fame! I promise not to let it go to my head. But I will make sure my 2-year-old grandson sees it on his tablet.1. What do the underlined words “hit home for me” mean in paragraph 2? A.Provided shelter for me. B....
1.Whereisthistextprobablytakenfrom? A.Atextbook. B.Anexampaper C.Acourseplan. D.Anacademicarticle. 2.How manypartsisastudent?sfinalgrademade upof? A.Two. B.Three. C.Four. D.Five. 3.Whatwillhappenifyousubmitanessayone weekaftertheduedate? A.Youwillreceiveazero. B.Youwilllosealettergrade...
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2 is the cardinality of exactly 6 subsets of setA. SetAhas a total of 16 subsets, including the empty set and setAitself. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement (1) alone is not suff...
SETSet in mathematics refer to an organized group of objects that are well defined. Each member of the set must be distinct.Answer and Explanation: Finite Set Consider a set whose number of members can be counted. That is it has got finite number...