myvalentinocareers myvalentinocareers
  • 24-08-2019
  • Mathematics
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Help, please? Thanks!

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nli32
nli32 nli32
  • 24-08-2019

Answer: first one is not a function and the rest are because for a function, x can only have one y. in the first one, the domain (x) chair has two y’s, f and n. the rest of them follow the rule

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