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Biancao9o3o12

10. How do you write “M is the set of whole numbers that are less than 5” in roster form? In set-builder form? please help with this question ?

  • one year ago
  • one year ago

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  1. saloniiigupta95
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    This set would be represented by, let it be called set A, then, A= {0, 1, 2, 3, 4}

    • one year ago
  2. Biancao9o3o12
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    Thanks !

    • one year ago
  3. saloniiigupta95
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    My pleasure :-)

    • one year ago
  4. saloniiigupta95
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    Is it clear to you??? I hope you have no doubts... If you have any, you can discuss.

    • one year ago
  5. amistre64
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    they used to call the list of names that the teacher would call at the start of class a "roster". Roster form is simply naming all the elements one by one; or using the ... as needed

    • one year ago
  6. amistre64
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    set builder notation uses "equations" or inequations to define the set and can involve "ors" and "ands"

    • one year ago
  7. saloniiigupta95
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    Okay, then the exact solution would go like this- Roster form shows all the elements of the set , in curly brackets, A= {0,1,2,3,4} Set Builder form depicts the properties defining the elements of the set, A= {x: \[ 4 \ge x \ge0\] and \[xin\mathbb{N}\]

    • one year ago
  8. saloniiigupta95
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    Sorry , latex error, this "in" signifies "belongs to"

    • one year ago
  9. Biancao9o3o12
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    tHANKS (:

    • one year ago
  10. Biancao9o3o12
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    Can you help me on another one ?

    • one year ago
  11. saloniiigupta95
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    Ya, bring it on...

    • one year ago
  12. Biancao9o3o12
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    What are the solutions of : e. 2(t -1) + 3t < 2 f. 4n +2 < 7(n – 13) g. 14 – 6n ≤ 2 (7-3n) h. 4p + 3 > 9p +6 -5p

    • one year ago
  13. saloniiigupta95
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    Check the first one, simplify by opening braces, 2t - 2 + 3t < 2 i.e., 2t + 3t < 4 i.e., 5t < 4 which gives t < 4/5 t∈(-∞,4/5) gives us the solution set...

    • one year ago
  14. saloniiigupta95
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    Be careful about using Round braces (.) or Square braces [.] because they have different meanings, (.) signify that the end points are NOT included, and [.] signify they are contained , like above , infinity and 4/5 are NOT contained, ( INFINITY CAN NEVER BE CONTAINED IN A SET)

    • one year ago
  15. amistre64
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    OpenStudy policy is: It is better to guide the user to an answer rather than doing all the work yourself. We discourage giving out answers without letting the asker at least take some part in the analysis - the aim of this site is to teach. Please refer to our code of conduct at http://openstudy.com/code-of-conduct for more information. Thank you.

    • one year ago
  16. amistre64
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    please allow the asker to participate in the solution process :)

    • one year ago
  17. saloniiigupta95
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    But she is NOT replying to my posts, and further this is an example, intended to be used for other parts by herself... Even I am not good at typing much..

    • one year ago
  18. Biancao9o3o12
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    Okay, so the answer is ? And who asked @amistre64 for your oppinion ? !

    • one year ago
  19. saloniiigupta95
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    Solution is already there @Biancao9o3o12 ...

    • one year ago
  20. Biancao9o3o12
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    Oh okay thanks !

    • one year ago
  21. saloniiigupta95
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    Now solve other parts by yourself @Biancao9o3o12 ... Thanks @amistre64

    • one year ago
  22. Biancao9o3o12
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    It's cause I don't really get this ;'c

    • one year ago
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