anonymous
  • anonymous
how to tell if a graph is a function
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
?
anonymous
  • anonymous
You use the vertical line test. If you can draw a vertical line though the graph and it intersects it only once, it is a function. If the line crosses the graphs more than once it is not.
anonymous
  • anonymous
if it passes the "vertical line test" no vertical line can cross the graph more than once |dw:1377543843857:dw|

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anonymous
  • anonymous
A graph represents a function if and only if every input generates a single output.
anonymous
  • anonymous
Here @satellite73 has shown what f(x) = yes looks like and what f(x) = no looks like. I have never heard of these functions before. He must be smart to know that.
anonymous
  • anonymous
for those who don't get it, it's a joke. fudge.

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