Function or Non-Function?

Front

Does this relation represent a function? (1, -2), (2, 0), (3, 2), (4, 4)

Back

Yes, because each input (first coordinate) has exactly one output (second coordinate).

Tags

CCSS.8.F.A.1

Front

The first coordinate in a coordinate pair is called the ________.

Back

Domain.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is a function?

Back

A relation where each input has exactly one output.

Tags

CCSS.8.F.A.1

Front

Does this relation represent a function? (1, 2), (1, 3)

Back

No, because the input '1' has two different outputs.

Tags

CCSS.8.F.A.1

Front

What is the range of a function?

Back

The set of all possible outputs (second coordinates) of a function.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

If a relation has the pairs (2, 3), (3, 4), (4, 5), does it represent a function?

Back

Yes, because each input has one unique output.

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

The set of all possible inputs (first coordinates) of a function.

Front

Is the relation {(1, 2), (2, 2), (3, 2)} a function?

Back

Yes, because each input has one output.

Tags

CCSS.8.F.A.1

Front

What does it mean if a relation is not a function?

Back

It means at least one input is associated with more than one output.

Tags

CCSS.8.F.A.1

Front

Identify the output for the input 3 in the function defined by the pairs (1, 2), (2, 3), (3, 4).

Back

The output is 4.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1