Roster Method & Set-Builder Notation...5

Discussion in 'Algebra' started by nycmathguy, Jun 24, 2022.

  1. nycmathguy

    nycmathguy

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    College Algebra
    Chapter 1/Section 1
    Review

    Using what I learned about the Roster and set-builder notation for sets, I want to make-up my own examples. Let me know if I am correct or not.

    Let Z = the set of all y greater than 0.

    Roster Method

    Z = {0, 1, 2, 3, 4, 5, . . . }

    Yes?

    Set-Builder Notation Method

    Z = { y| y > 0 }

    Yes?
     
    nycmathguy, Jun 24, 2022
    #1
  2. nycmathguy

    MathLover1

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    all y greater than 0 means 0 is excluded

    Z = {1, 2, 3, 4, 5, . . . }
     
    MathLover1, Jun 24, 2022
    #2
    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

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    Yes, true. I know that y > 0 means DO NOT INCLUDE ZERO.
     
    nycmathguy, Jun 24, 2022
    #3
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