Question

Use the vertical line test to determine if the relation is a function.

(-4,1) (-3,2) (1,1) (1,2) (3,4)

Part 1) Is this relation a function?


Yes, it is a function.

There is not enough information to determine if it is a function.

No, it is not a function

Answer 1

Part 2) If it is not a function, explain why.

It is not a function because the x value (-4) has two different outputs.

It is not a function because the x value (1) has two different outputs.

It is not a function because the x value (5) has two different outputs.

It is a function

Answer 2

Yes, it is a function.

Answer 3

because each x value corresponds to a unique y value.