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Mathematics 16 Online
OpenStudy (anonymous):

http://prntscr.com/6b5lhp @undeadknight26

Directrix (directrix):

Select values of x that are less than or = to -2 or values of x that are greater than 2. See the attachment for a visual.

Directrix (directrix):

Post the values that you think or in the domain, okay?

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