Relations and Functions Review

Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (2, 4)}

• {(2, 3), (3, 4), (6, 2), (7, 3)}

• {(2, 3), ( 3, 4), (6, 2), (3, 3)}

Tags

CCSS.8.F.A.1

The following relation is a function.

{(10, 12), (5, 3), (15, 10), (5, 6), (1, 0)}

• True

• False

Tags

CCSS.HSF.IF.A.1

The graph of a relation is shown at the right. Is this relation a function?

• Yes

• No

• Cannot be determined from a graph

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Is this table a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.HSF.IF.A.1

What is the domain?

• the set of all x-values

• the set of all y-values

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

What is the range?

• the set of all x-values

• the set of all y-values

Tags

CCSS.HSF.IF.A.1