Function or Not? Quiz

Look at the graph. Is the relation a function?

• yes

• no

Look at the table. Is the relation a function?

• yes

• no

Look at the graph. Is the relation a function?

• yes

• no

• Function
• Not a Function

• Function
• Not a Function

• Function
• Not a Function

Is this set of ordered pairs a function and how can you tell?

• Yes its a function because no y values repeat
• No it's not a function because there are negative numbers
• No it isn't a function because an x value repeats but has different y values 
• No it isn't a function because an y value repeats but has different x values

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Is this table a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function