November 1st Exit Ticket (Functions)

Is this mapping a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function

Is the relation a function?{(1,5),(1,7),(3,9),(4,11)}

• Yes
• No

Look at the graph. Is the relation a function?

• yes

• no