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Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (2, 4)}

• {(2, 3), (3, 4), (6, 2), (7, 3)}

• {(2, 3), ( 3, 4), (6, 2), (3, 3)}

Given the relation A = {(5, 2), (7, 4), (9, 10), (x, 5)}. Which of the following values for x will make relation A a function?

• 7

• 9

• 4

The following relation is a function.

{(10, 12), (5, 3), (15, 10), (5, 6), (1, 0)}

• True

• False

Which of the relations below is a function?

• {(1, 1,), (2, 1), (3, 1), (4, 1), (5, 1)}

• {(2, 1), (2, 2), (2, 3), (2, 4), (2, 5)}

• {(0, 2), (0, 3), (0, 4), (0, 5), (0, 6)}

The graph of a relation is shown at the right. Is this relation a function?

• Yes

• No

• Cannot be determined from a graph

Is the relation depicted in the table below a function?

• Yes

• No

• Cannot be determined from a table

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

Is the relation in the table below a function?

• Yes

• No

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph