Functions and Relations

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?

• Function

• Relation

Answer explanation

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

Which graph does NOT pass the vertical line test? A vertical line should only touch one point at a time, if it is a function.

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Look at the graph.

Is this relation a function?

• Yes

• No

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

Tags

CCSS.8.F.A.1

• Function
• Not a Function

• Function
• Not a Function

Identify the domain of the following relation:

• {-6, 14, 2, 28}
• {(-6,14), (0,32), (2,38), (4,44)}
• {-6, 0, 2, 4}
• {14, 32, 38, 44}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1