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Introduction to Set Theory

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  • 1. Multiple Choice
    30 seconds
    1 pt

    What is a set?

    A method of solving problems

    A collection of objects

    A 2-D shape

    {7}

  • 2. Multiple Choice
    30 seconds
    1 pt

     {aba,bZ;b0} \left\{\frac{a}{b}\left|a,b\in Z;b\ne0\right|\right\}\   defines what basic set?

    Reals

    Naturals

    Rationals

    Integers

  • 3. Multiple Choice
    30 seconds
    1 pt

    What is the following symbol's name and meaning? \cup  

    Union- Combines two sets or intervals

    Union- Gives the overlap of two sets or intervals

    Intersection- Combines 2 sets or intervals

    Intersection- Gives the overlap of two sets or intervals

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