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Inessa [10]
3 years ago
10

Please Help!............................

Mathematics
1 answer:
ryzh [129]3 years ago
6 0
Ok. a function is something that if you draw a vertical line, it should only touch one point on the line.the ones on the left both touch twice. the bottom right has infinite points touching. the top right has only one point touching a vertical line at any time, so it's a function. hope this helps

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<h2>Another way :</h2>

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