Functions from Tables, Relations and Arrow Diagram

• A

• B

• C

• D

• A

• B

• C

• D

• Yes
• No

• Yes
• No

Which of the relations shown represent y as a function of x? Select the correct answer in each row.

Determine whether the relation shown is a function.
The relation ​ ​ (a)   a function because ​ ​ (b)   is mapped to ​ (c)   output value.

• is

• is not

• every input value

• the input of 3

• more than one

• exactly one

Which of the relations shown represent y as a function of x?

Match the representations with the correct answer.

• Not a function

• 
• Not a function

• 
• Function

• 
• Function

• 

Tags

8.5.G

Which of the relations shown represent y as a function of x?

Select the correct answer in each row.

Which of the relations shown represent y as a function of x?

Select ONE correct answer in each row.

Answer explanation

In a function, the x does NOT repeat.

Vertical Line Test

- Pass: touches the graph once

- Fail: touches the graph more than once