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Answer:

The graph is a function because of the vertical line test.

The second one is not a function because it has 2 of the same x coordinate.

The third one is not a function because it has 2 of the same x coordinate.

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judhhill01

Answer:

1. Yes

2. Yes

3. No.

Step-by-step explanation:

1. Only one output y for the same x values

2. Only one output y for the same x values  

3. More than one output y for the same x values  

A function is a relation in which each input has only one output. In the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y

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