nickname946
nickname946 nickname946
  • 22-03-2019
  • Mathematics
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Please pleas please help me!!!!!!!!!!

Please pleas please help me class=

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Jenner1256
Jenner1256 Jenner1256
  • 22-03-2019
For functions, x’s can’t repeat, so looking at the first problem, C is the only one where the first number in each coordinate (x,y) doesn’t repeat.


For the second, x = -2 means that no x is always -2 matter which y you would look at. So x’s repeat and it forms a vertical line. So it is not a function
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