Functions

Does the table below represent a linear function? Why or why not?

Is this a function? Explain

Does the graph above represent a function? Explain how you know.

Which has the greatest rate of change?

• y=4x-8

• 

Is this mapping a function or 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.

What is x if

f(x) = -1?

• 4

• 0

• 3

• 6

Is this graph a function or not a function? 

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function

Identify the domain of the following relation:

• -6, 14, 2, 28

• (-6,14), (0,32), (2,38), (4,44)

• {-6, 0, 2, 4}

• 14, 32, 38, 44