Topics 7.3 Expected Practice - Functions

What is the definition of a function?

• Has inputs and outputs

• Every input has only ONE output

• Every output has only ONE input

• x-values and y-values

Is this representation a function or not a function?

• Function

• Not a Function

Is this representation a function or not a function?

• Function

• Not a Function

Is this representation a function or not a function?

• Function

• Not a Function

• Function
• Not a Function

• Function
• Not a Function

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.

Which of these tables represent a function?

• A
• B
• C
• D

Which of the following is a function?

• 
• 
• 
• 

Which graph is NOT a function?

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