Identifying Functions and Making Function Tables

Does the table represent a function?

• Yes

• No

Is the relation a function? Explain.

• Yes, the x-value 11 has two y-values paired with it.

• Yes, each x-value has only one y-value paired with it.

• No, the x-value 11 has two y-values paired with it.

• No, each x-value has only one y-value paired with it.

Does the following relation represent a function?

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

• Yes, there are no repeated x-values

• No, there are repeated x-values

Does the graph represent a function?

• Yes

• No

Does the table represent a function?

• Yes, there  is a repeated x-value. 

• No, there aren't any repeated y-values. 

• Yes, there are repeated y-values. 

• No, there is a repeated x-value. 

Is the relation in this table a function?

• Yes, each input has exactly one output

• No, each input has more than one output

• No, the cost of the movies is different

• Yes, each output has exactly one input

Is this table a function or not a function? 

• Function

• Not a Function

Is the relation in the table a function?

• Yes, each input has exactly one output

• No, each input has exactly one output

• Yes, each input has multiple outputs

• No, each input has multiple outputs

Is the relationship in the table a function or not a function?

• Function

• Not a Function

Is it a function?

• Yes

• No