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Mathematics 9 Online
OpenStudy (anonymous):

This graph isnt a function correct?https://media.glynlyon.com/g_alg01_2012/3/pg46b.gif

OpenStudy (agent0smith):

Does it pass the vertical line test? If not, it's not a function. Draw (or imagine drawing) a vertical line and move it across from left to right. If it ever intersects the graph at more than one point, it's not a function.

OpenStudy (anonymous):

Ok so im right. The line goes through two lines on the circle thanks!

OpenStudy (agent0smith):

Yep. But it's an ellipse btw, not a circle.

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