Identify Functions from a Relation

Which set of values 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)

Tags

CCSS.8.F.A.1

Is this relation a function?

• Function

• Not a function

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Which relation shows a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

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

Tags

CCSS.8.F.A.1

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

Select the correct answer in each row.

Is it a function?

• Yes

• No

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

Which relation shows a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1