Relations, Functions and Graphs

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

All of the x values of a relation are called what?

• Domain
• Range
• Relation
• Function

All of the y values of a relation are called what?

• Domain
• Range
• Relation
• Function

Is this graph a function or not a function? 

• Function
• Not a Function

Is this a function?

• Yes

• No

Is this table a function or not a function? 

• Function
• Not a Function 

Is this mapping a function or not a function? 

• Function
• Not a Function

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; it does not pass the vertical line test

Is relation shown a function?

• YES
• NO

Is this graph a function or not a function? 

• Function 
• Not a Function