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Mathematics 9 Online
OpenStudy (nightmarenight):

Which one is right? Will fan and give medal, question attached below

OpenStudy (nightmarenight):

OpenStudy (studygurl14):

use vertical line test. If a straight line goes through more than one point, it isn't a function. use the x-axis lines as your vertical-line testers

OpenStudy (nightmarenight):

Huh? @StudyGurl14

OpenStudy (studygurl14):

like this:

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