Identify Relation a Function

Function or not? (a)  

Domain = ​ (b)  

Range = ​ (c)  

• Function

• Not a Function

• {-3, 0, 2, 3}

• {-2, 2, 4}

• {0, 2, 3, 4, -3, -2}

Tags

CCSS.8.F.A.1

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

Tags

CCSS.8.F.A.1

Is this a function?  (a)  

The domain is​ (b)  

The range is​ (c)  

• Yes

• No

• {-1, 0, 1, 2, 3}

• {-1, 1, 2, 3}

• {1, 2, 3}

• {0, 1, 2, 3}

Tags

CCSS.8.F.A.1

Is this relation a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Is this relation a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Is this relation a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Is this relation a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Is this relation a function?

• Function

• Not a function

(6,-5) (7, -3) (8, -1) (9, 1)

Is this relation a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

Is this relation a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1