Function Review

• Function
• Not a Function

• Function
• Not a Function

• Function
• Not a Function

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

Which ordered pair below would prevent this table from being a function?

• (10, 10)
• (2, 4)
• (6, 1)
• (-2, 0)

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.

Is this function linear or nonlinear?

• Linear function

• Nonlinear function

Which graph(s) show nonlinear functions?

• Graph I, only
• Graph II, only
• Graph I and Graph II, only.
• Graph I, Graph II, and Graph III

Is the graph pictured a function?

• Yes

• No

Is the equation linear or nonlinear?

• Linear
• Nonlinear