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OpenStudy (anonymous):

Please confirm my answer? Click for attached

OpenStudy (anonymous):

OpenStudy (netlopes1):

To be correct if \[(x ^{2}-8)\ge0\rightarrow ......x \le-3 or x \ge3\]

OpenStudy (netlopes1):

So, both -3 or 3 can be correct, ok?

OpenStudy (anonymous):

Thanks! But would the last option be correct? I just don't know

OpenStudy (netlopes1):

\[\pm3\] ok?

OpenStudy (anonymous):

Thanks a lot netlopes1, really appreciate your help

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