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klasskru [66]
3 years ago
15

How do I know if it's a function or not?

Mathematics
2 answers:
Effectus [21]3 years ago
5 0
In plain and short, a function has no x-coordinate Repeats, if there's an x-coordinate Repeat, then is not a function.

\bf \begin{array}{ccll}
x&y\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
6&3\\
8&2\\
9&0\\
\stackrel{re peat}{11}&1\\
\stackrel{re peat}{11}&2
\end{array}
Free_Kalibri [48]3 years ago
3 0
Your domain would be (6,8,9,11,11)
your range would be (3,2,0,1,2)
This is not a function because the domain 11 is paired with both the range of 1 and 2 
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