Determine Whether It's a Function

Determine if the graph is a function. `​ (a)   `

• Not a Function

• Function

• the graph does not represent y as a function of x

• the graph represents y as a function of x

• Function
• Not a Function

• Function
• Not a Function

What is this? 

• Linear function

• Nonlinear function

• Linear, but not a function

• Nonlinear and not a function

Determine whether the relationship is a function.

• function

• not a function

• both 

• neither

Determine whether the relationship is a function.

• function

• not a function

• both

• neither

Is this graph 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.

Which graph is a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4