10/18/21 Functions

All of the x values are called what?

• Domain
• Range
• Relation
• Function

All of the y values are called what?

• Domain
• Range
• Relation
• Function

Which of the following is a function?

• A

• B

• C

• D

Is the following graph a function?

• Yes, because the x never repeats.

• Yes, because they are individual dots.

• No, because the x repeats.

• No, because it is not a line.

Which is a function?

• A

• B

• C

• D

Which of the following is NOT a function?

• 
• 
• 
• 

Which of the following is a function?

• 
• 
• 
• 

Which graph is a function?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

• Function
• Not a Function

Which set of ordered pairs 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)}