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il63 [147K]
3 years ago
11

The union of sets P = {5, 6, 7, 8, 9} Q = {1, 2, 3, 4, 5} is given by which of the following? {1, 2, 3, 4, 5, 6, 7, 8, 9} {1, 2,

3, 4, 5, 5, 6, 7, 8, 9} ø {5}
Mathematics
1 answer:
vaieri [72.5K]3 years ago
7 0

Answer: First option.

Step-by-step explanation:

Given two sets <em>A</em> and <em>B, </em>the union (<em>A</em>∪B) will be the set of elements which belong to either <em>A</em> or to <em>B</em> or to both.

Inf this case you have these two sets:

P={5, 6, 7, 8, 9} and Q={1, 2, 3, 4, 5}

To find the union of these sets, put together the elements of the set <em>P</em> and the elements of the set <em>Q</em> (you need  to remember that no element must be repeated).

Then, you get that the union of sets <em>P </em>and <em>Q</em> is:

P∪Q={1, 2, 3, 4, 5,6, 7, 8, 9}

This matches with the first option.

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