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Mathematics
OpenStudy (anonymous):

Please confirm my answer? Click for attached

6 years ago
OpenStudy (anonymous):

6 years ago
OpenStudy (netlopes1):

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

6 years ago
OpenStudy (netlopes1):

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

6 years ago
OpenStudy (anonymous):

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

6 years ago
OpenStudy (netlopes1):

\[\pm3\] ok?

6 years ago
OpenStudy (anonymous):

Thanks a lot netlopes1, really appreciate your help

6 years ago
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