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svetoff [14.1K]
3 years ago
10

Does anyone know this

Mathematics
1 answer:
mafiozo [28]3 years ago
6 0

Answer:

A

Step-by-step explanation:

To figure out whether a graph is a function, you need to use the line test.  The line test is where you pass a vertical line over the graph.  If the vertical line crosses the graph more than once, the graph is not a function.  You can use your pencil as a vertical line.

Graph 1 is not a function because the vertical line will cross the graph twice.

Graph 2 is a function because the vertical does not cross the graph twice.

Graph 3 is not a function because the vertical line will cross the graph twice.

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