To determine if each set is written in interval notation or set-builder notation, we need to understand the differences between the two. Interval notation uses brackets and parentheses to describe a range of values, while set-builder notation uses a description or condition to define a set. We will check each set and classify it accordingly.
To determine the type of notation used for each set, we need to recognize the characteristics of interval and set-builder notation. Interval notation uses parentheses ((( and brackets [[[ to denote ranges, while set-builder notation uses curly braces {\{{ and a condition or rule to define the set.
(−∞,5]∪(6,∞)(-∞, 5] ∪ (6, ∞)(−∞,5]∪(6,∞): Interval notation
{x∣−3≤x≥0}\{x \mid -3 \leq x \geq 0\}{x∣−3≤x≥0}: Set-builder notation
{x∣x≠1}\{x \mid x \neq 1\}{x∣x=1}: Set-builder notation
(7,3)(7,3)(7,3): Interval notation (invalid, empty set)
[0,5)[0,5)[0,5): Interval notation
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