Mathematics

Mathematics, 23.06.2019 20:20, strevino9178

Solve for x. x(x+1)≤0 write the solution using interval notation. use the union symbol ∪ to express the solution as a union of disjoint intervals. finite endpoints of all intervals should be integers. if there are no solutions, use the symbol ∅ for the empty set. use the set notation {a} to represent an isolated solution a.

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Mathematics, 07.07.2019 16:30, kobz

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Mathematics, 09.07.2019 06:00, bartlettcs9817

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Mathematics, 04.09.2019 22:30, geminigirl077

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Mathematics, 10.10.2019 23:30, kfull7053

Let x = (0, 1] and m = {∅, finite unions of disjoint intervals that are open on the left and closed on the right}. a typical a ∈ m has the form a = sm i=1(ai , bi ], with ai > bi−1. it is easy to see that m is closed under complements and finite unions after noting that the complement of such an interval consists of two disjoint like intervals and the union of two such intervals that overlap is a like interval. the analogous set is not an algebra if x = r - try the complement condition.

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Solve for x. x(x+1)≤0 write the solution using interval notation. use the union symbol ∪ to express...

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