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Help pls it's so hard (that's what she said) but fr

Help pls it's so hard (that's what she said) but fr-example-1
User Willwsharp
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1 Answer

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If we draw a vertical line and it crosses the figure more than once, then it is not a function.

So, the only graph that a vertical line will intersect the line once is graph A:

B, C and D are intersected more than 1 time, so they are not functions.

Answer: A

Help pls it's so hard (that's what she said) but fr-example-1