Introduction to Functions Review

Which of the following is a function?

• 
• 
• 
• 

Is this a function?

• Yes, this is a function

• No, it is not a function

• Cannot be determined with the given information

Which of the following is a function?

• A

• B

• C

• D

Is this 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 graph is a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Which graph is NOT a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

All of the x values are called what?

• Domain

• Range

• Relation

• Function

All of the y values are called what?

• a) Domain

• b) Range

• c) Relation

• d) Function