Writing the interval [2,6] using set-builder notation, is:
{ x | x ∈ R, 2 ≤ x ≤ 6 }
Real numbers (R) include all rational and irrational numbers.
Thus If we need to write the interval [2,6] using set-builder notation, we will write as:
{ x | x ∈ R, 2 ≤ x ≤ 6 }
This is interpreted as x belongs to a set of real numbers greater than or equal to 2 but less than or equal to 6
Read more about Set builder notation at; https://brainly.com/question/24438069
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