Test Review

A relation where every input in matches with exactly one output is called what?

• Relation

• Linear

• Exponential

• Function

What is the range?

• the set of all x-values

• the set of all y-values

What is the domain?

• the set of all x-values

• the set of all y-values

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 the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values