Input/Output Graphs

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.

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function

• Not a Function 

Which of these graphs represents a function?

• Z

• W

• X

• Y

What is the range of the function shown?

• {-5, -3, -1, 3, 5}

• 3 ≤ y ≤ 6

• -5 ≤ x ≤ 5

• {3, 6}

Which of these tables represents a function?

• W

• Y

• Z

• X

• top left

• top right

• bottom left

• bottom right

• function

• relation

• relation

• function

• function

• relation