Functions

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

• Function
• Not a Function

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Is this graph a function or not a function? 

• Function 
• Not a Function

Which axis runs vertically?

• x
• Y

Does this table represent a function?

• Yes
• No

Is this table a function or not a function? 

• Function
• Not a Function

Is the relation a function?

• yes, it is a function
• no, it is not a function
• not enough information to determine

Is this graph a function or not a function? 

• Function 
• Not a Function 

Is this table a function or not a function? 

• Function
• Not a Function