What is the solution set of {x | x < -5} ∩ {x | x > 5}

Question

What is the solution set of {x | x < -5} ∩ {x | x > 5}

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Faith 2 weeks 2021-10-01T14:24:19+00:00 1 Answer 0

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    2021-10-01T14:25:35+00:00

    Answer:

    The answer is: {x | x < -5} ∩ {x | x > 5}= { }.

    Step-by-step explanation:

    Let us first list the elements of the first set.

    {x | x < -5} reads x is an element such that x is less than -5. So we list all the integers less than -5.

    {x | x < -5}= {-6,-7,-8,-9,-10,-11,-12,-13,-14,…}

    Similarly, we find the elements of the second set which reads: x is an element such that, x is greater than 5.  So we list all integers greater than 5

    {x | x > 5}=  {6,7,8,9,10,11,12,13,14,…}

    Finally we are required to find the numbers or elements in both sets that intersect or are the same with each other.

    Since no element in both sets listed above intersect each other, the solution is an empty set:

    Therefore, {x | x < -5} ∩ {x | x > 5}= { }.

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