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Mathematics 4 Online
OpenStudy (anonymous):

Need help with intervals please.

OpenStudy (anonymous):

The ones with red X marks are what I am getting wrong. Please help me get the right answer. Thank you.

OpenStudy (anonymous):

I know the top one is (3, infinity) but not sure about the bottom.

OpenStudy (anonymous):

Never mind solved its opposite forgot so (- infinity,3)

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