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Mathematics 37 Online
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?

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|____}

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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