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zheka24 [161]
3 years ago
7

How do you tell if a graph is a function

Mathematics
2 answers:
Ksju [112]3 years ago
6 0
You just draw a parallel line to the y-axis. If this line intercepts MORE THAN ONE POINT, you can deduce that the graph is NOT a FUNCTION 
miss Akunina [59]3 years ago
4 0
Take a vertical line and place it on thegraph<span>. </span>If<span> the </span>graph is a function<span>, then no matter where on the </span>graph<span> you place the vertical line, the </span>graph<span>should only cross the vertical line once.</span>
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