sloppycanada
  • sloppycanada
Is this graph an element? https://gyazo.com/c246527dc885ed8806b44fe7a84a8d1b
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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sloppycanada
  • sloppycanada
I know this is, but I'm not sure about the graph I posted above. https://gyazo.com/a34cdd8ec6f6b49f7e82aa5494c9f6e9
UnkleRhaukus
  • UnkleRhaukus
looks like a function to me
jim_thompson5910
  • jim_thompson5910
it's not a function because it fails the vertical line test

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jim_thompson5910
  • jim_thompson5910
|dw:1442812650966:dw|
jim_thompson5910
  • jim_thompson5910
|dw:1442812661206:dw|
jim_thompson5910
  • jim_thompson5910
it's possible to pass a vertical line through more than one point |dw:1442812678494:dw| which is why it fails the vertical line test
sloppycanada
  • sloppycanada
Is it a relation?
Mertsj
  • Mertsj
A relation is a set of ordered pairs.
Mertsj
  • Mertsj
The parabola you posted is a function.
sloppycanada
  • sloppycanada
But the vertical line test?
jim_thompson5910
  • jim_thompson5910
as Mertsj said, `A relation is a set of ordered pairs.` so basically, a relation is anything with a bunch of points on an xy grid. In the case of the circle, it's a bunch of points plotted to form a circle. So yes @sloppycanada the circle graph is a relation
sloppycanada
  • sloppycanada
Does that make this https://gyazo.com/a34cdd8ec6f6b49f7e82aa5494c9f6e9 also a function?
jim_thompson5910
  • jim_thompson5910
that's a function because it is impossible to pass a vertical line through more than one point on the parabola So it passes the vertical line test

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