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Which interva notation represents the set of all numbers greater than or equal to -11 and less than or equal to -2? O [-11, -2] O (-11, -2] Submit Answer Of-11, -2) 0 (-11, -2)

Sagot :

When using interval notation a "[" represents that the number belongs to the interval and a "(" means that the number doesn't belong to the interval, it only limits it. On this case we need to find the interval where the numbers are greater or equal to -11, therefore this number belongs to the interval, and less or equal to -2, this number also belongs to the interval. They belong to the interval, because there is "or equal" on the signals. Therefore the interval can be represented as:

[tex]\lbrack-11,-2\rbrack[/tex]

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