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Is the following relation a function ?
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Is the following relation a function ?

Is the following relation a function ?-example-1
User Kalpesh Gamit
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1 vote
No  because it fails the vertical line test.  Note that  a vertical line can be drawn  through the graph which passes through 2 points. If it was a function any vertical line would pass through   only one point on the graph.
User Masam
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3 votes
No, it is not a function. It fails the vertical line test (VLT). VLT state that if you draw a vertical line, it must only intersect the graph one time. If it intersections more than once, then it is not a function.
User Sammi
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