Select the correct answer from each drop-down menu.
complete the statements about the closure...
Mathematics, 31.10.2019 00:31 lin550
Select the correct answer from each drop-down menu.
complete the statements about the closure of sets.
1. the set {0, 2, 5} is (closed; not closed) under addition, as is illustrated by the fact that adding 2 and 5 results in 7, which is not included in the set.
2. the set of all integers is closed under addition, as is illustrated by the fact that adding -20 and 6 result in -14, which is (included; not included) in the set.
3. the set of all polynomials is (closed; not closed) under addition, which is illustrated by the fact that adding 3x2 β 2 and 7x4 + 4x results in 7x4 + 3x2 + 4x β 2, which is in the set.
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