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OpenStudy (anonymous):
Express the interval in set-builder notation and graph the interval on number line [-3, &inf;] What is the interval in set-builder notation?
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OpenStudy (anonymous):
[3,\[\infty\]]
OpenStudy (anonymous):
[3,[\infty\]]
OpenStudy (accessdenied):
are you sure it is [3,inf] and not [3,inf) ?
OpenStudy (anonymous):
[-3,inf]
OpenStudy (anonymous):
{x|____}
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OpenStudy (rulnick):
{ x | -3 <= x <= infinity }
OpenStudy (accessdenied):
hmm, i was thinking you'd need to also say that it was in extended reals or something given that infinity was included.
OpenStudy (rulnick):
reasonable
OpenStudy (rulnick):
could go with { x in [R] | ... } for that, but I'm guessing that's overkill
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