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Mathematics 18 Online
OpenStudy (anonymous):

y = x2 + 2x - 8 what is the domian?

OpenStudy (anonymous):

please help

sam (.sam.):

All real numbers

OpenStudy (anonymous):

whats the range of this .

sam (.sam.):

\[[y \in \mathbb{R}:y \ge-9]\]

OpenStudy (anonymous):

are you sure?

OpenStudy (anonymous):

Yes Sam is correct.

OpenStudy (anonymous):

thanks TIAPH

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