Functions Intro

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 table a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Is this a function?

• yes

• no

• idk what a function is.

Is this a function or relation?

• function

• relation

Draw a line where this does not pass the vertical line test

• Function, passes the vertical line test

• Function, does not pass the vertical line test

• Relation, does not pass the vertical line test

• Relation, does pass the vertical line test

Is this a function or relation?

• Function, ever y-values is different

• Relation, every x-value is different

• Relation, every y-value is different

• Function, every x-value is different

Is this a function?

• Yes
• No