y<30 in interval notation is (30, sideways 8] right?

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i wasn't sure...just checkin...

2007-01-14 12:33:36 · 3 answers · asked by peppermint746 2 in Science & Mathematics ➔ Mathematics

no (-infinity to 30)

always start with the negative

2007-01-14 12:38:53 · answer #1 · answered by zephrrrrrrrrrrr 2 · 0⤊ 0⤋

y < 30

(-â,30)

2007-01-14 20:55:07 · answer #2 · answered by Sherman81 6 · 0⤊ 0⤋

Also wrong - it should be (-â, 30).
Note that (-â, 30] is for y less than or equal to 30.

2007-01-14 20:41:23 · answer #3 · answered by Scarlet Manuka 7 · 0⤊ 0⤋