Flashcard 3: Function or Not a Function

Front

What is a test that is used to check if the graph is function or not?

Back

Vertical Line Test

Front

Which set of values is a function? Options: (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1) , (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

Function

Back

Every input has only ONE output

Front

Which ordered pair below would prevent this table from being a function? Options: (10, 10), (2, 4), (6, 1), (-2, 0)

Back

(-2, 0)

Front

Which graph does NOT pass the vertical line test? Options: Graph 1, Graph 2, Graph 3, Graph 4

Back

Graph 1

Front

Is the relation a function?

Back

No, because the x-value 11 has two y-values pair with it.

Front

Is this a function? Explain.

Back

Yes; it passes the vertical line test.

Front

Back

Function

Front

Back

Not a Function

Front

Back

It's not a function because a vertical line hits it twice.