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1 December, 13:16

Use interval notation to indicate all real numbers between and including - 3 and 5

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  1. 1 December, 13:18
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    Notations are arbitrary, and you might find different textbooks using different notations.

    However, the most common alternatives are:

    Using square brackets for included values, and round brackets for excluded values. In this case, your interval is [-3, 5] Using round brackets alone, open towards the number if its included. In this case, your interval is (-3, 5)

    For example, if - 3 wasn't included, the two notations would have been (-3, 5] and) - 3, 5)
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