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Interval Notation: [tex]\((-4, \infty)\)[/tex]

Sagot :

The interval notation [tex]$(-4,0 \infty)$[/tex] seems to be incorrect or possibly a typographical error. Interval notation is typically written with two values indicating the start and end of the interval, with parentheses ( ) for open intervals (excluding endpoints) and brackets [ ] for closed intervals (including endpoints).

Standard interval notations include:

- [tex]\( (a, b) \)[/tex]: Open interval from [tex]\( a \)[/tex] to [tex]\( b \)[/tex] (excluding [tex]\( a \)[/tex] and [tex]\( b \)[/tex])
- [tex]\( [a, b] \)[/tex]: Closed interval from [tex]\( a \)[/tex] to [tex]\( b \)[/tex] (including [tex]\( a \)[/tex] and [tex]\( b \)[/tex])
- [tex]\( (a, b] \)[/tex]: Half-open interval from [tex]\( a \)[/tex] to [tex]\( b \)[/tex] (excluding [tex]\( a \)[/tex] but including [tex]\( b \)[/tex])
- [tex]\( [a, b) \)[/tex]: Half-open interval from [tex]\( a \)[/tex] to [tex]\( b \)[/tex] (including [tex]\( a \)[/tex] but excluding [tex]\( b \)[/tex])
- [tex]\( (-\infty, a) \)[/tex]: Interval from negative infinity to [tex]\( a \)[/tex] (excluding [tex]\( a \)[/tex])
- [tex]\( (a, \infty) \)[/tex]: Interval from [tex]\( a \)[/tex] to infinity (excluding [tex]\( a \)[/tex])

However, the notation presented, [tex]\( (-4, 0 \infty) \)[/tex], is not standard and does not clearly indicate a specific interval. Based on common interval notation practices, it appears there may be a mistake or misunderstanding in the representation.

Therefore, in its current form, this interval cannot be interpreted meaningfully without further clarification or correction. The given notation does not fit into the standard framework of interval notations and is likely a typographical error.
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