Practice Representation Of Sets (1.2.3) - Sets and Functions

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6 sample questions

Question 1.
Write the roster notation for the set of the first five positive integers.
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Think about counting from 1 to 5.
Question 2.
What does the set-builder notation {x | x is a whole number} represent?
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Consider what a whole number is.
3Question 3.
Which notation lists all elements of a set?
- Set-Builder Notation
- Roster Notation
- Neither
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Remember the way we write the elements.
4Question 4.
True or False: Set-builder notation can describe infinite sets.
- True
- False
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Think about how we represent all even numbers.
Question 5.
Create a set in set-builder notation for all positive integers that are also perfect squares. Then convert it to roster notation for integers less than 10.
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Think about what perfect squares below 10 are.
Question 6.
Describe a set using set-builder notation that contains all rational numbers less than 5. Then explain why listing such numbers would be challenging.
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Reflect on the infinite nature of rational numbers.

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