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lisov135 [29]
2 years ago
10

ASAP!!!! FUNCTIONS HELP

Mathematics
1 answer:
Paladinen [302]2 years ago
3 0

Answer:

<h2>             3 </h2>

Step-by-step explanation:

All but first for every single x gives single y so the second, third and fourth are function

At first for x=2 we have two y (2 or -2) so this isn't function.

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