Question
Express the following sets in set- builder notation (form):
{42, 49, 56, 63, 70, 77}
{42, 49, 56, 63, 70, 77}
✓
Answer
{42, 49, 56, 63, 70, 77}
= (x: x is a natural number divisible by 7 ; 42 ≤x ≤ 77}
= (x: x is a natural number divisible by 7 ; 42 ≤x ≤ 77}
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