Question: I am confused about this problem regarding interval notation. I think it's the second option but how can I tell what the answer is if
I am confused about this problem regarding interval notation. I think it's the second option but how can I tell what the answer is if there are no inequality signs?

-3 3 O (-00, - 3] U [3, 7) O (-00, - 3) U (3, 7) O [-00, - 3) U [-3,7] O (-00, - 3) U [3, 7] O None of these
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