Function? Or Not?

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

Is this a function?

• Yes

• No

True or False. A function is a relation that has exactly one output for each input.

• True

• False

True or False. A relation is any set of ordered pairs.

• True

• False

Does the set of ordered pairs represent a function?

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

• Yes

• No