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AlladinOne [14]
2 years ago
6

PLEASE ANSWER QUICK 20 POINTS!!!!!

Mathematics
2 answers:
nadya68 [22]2 years ago
6 0
The first one (top left) is a function. Use the vertical line test, if a vertical line crosses the line drawn on the graph twice, then it's not a function.
frez [133]2 years ago
4 0
The first one top left
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4 0
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