Function vs. Relation

Function or relation?

• Function

• Relation

Answer explanation

Each input (x-value) has only one outpt (y-value).

Tags

CCSS.8.F.A.1

Function or relation?

• Function

• Relation

Answer explanation

Each input (x-value) has only one output (y-value).

Tags

CCSS.8.F.A.1

Function or relation?

{(0, 3), (1, 6), (2, 9), (3, 12)}

• Function

• Relation

Answer explanation

Each input (x-value) has only one output (y-value).

Tags

CCSS.8.F.A.1

Function or relation?

{(1, 4), (2, 5), (1, 5)}

• Function

• Relation

Answer explanation

The x-value 1 has two different y-values (4 and 5).

Tags

CCSS.8.F.A.1

Function or relation?

• Function

• Relation

Answer explanation

Each input (x-value) has only one output (y-value).

Tags

CCSS.8.F.A.1

Function or relation?

• Function

• Relation

Answer explanation

The x-value 3 has two different y-values (3 and 5).

Tags

CCSS.8.F.A.1

Function or relation?

• Function

• Relation

Answer explanation

Does not pass the vertical line test, so it is a relation.

Tags

CCSS.8.F.A.1

Function or relation?

• Function

• Relation

Answer explanation

Does not pass the vertical line test, so it is a relation.

Tags

CCSS.8.F.A.1

What is the range?

• { 1 , 4 , 9 }

• { -3 , -1 , 5 }

Answer explanation

The range is the set of all y-values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the domain?

• { 1 , 4 , 9 }

• { -3 , -1 , 5 }

Answer explanation

The domain is the set of all x-values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1