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Introduction to Set Builder Notation: Understanding Symbolism and Reading Techniques

Learn about set builder notation and its symbols like ∈ and ∉, express variables using interval notations, and interpret sets with examples. Understand how to read and write set builder notation effectively.

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Introduction to Set Builder Notation: Understanding Symbolism and Reading Techniques

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  1. Warm Up September 2 Tuesday Solve for y. (Rewrite the equation so it says y = …) #1 3 x + y = 15 #2 -2x + 3y = -12

  2. Note #4 Set Builder Notation We will discuss how to write set builder notations. I will use both set builder and interval notations to express variables.

  3. Set Builder Notation • Set- The symbol  means__________________ • The symbol  means ________________

  4. Suppose we have the set A = {2, 4, 5, 8, 10, 15} • Use the correct symbol: 6 ___ A 8_____A

  5. How to read it: A = { x | x ≥ 5} A is the set of all x such that x is greater than or equal to 5.

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