Identifying Function from Ordered Pairs, Table or Mapping Diagram

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values

• Yes, because each input goes to one and only one output

Tags

CCSS.8.F.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Does the table represent a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Which set of ordered pairs is not a function? (select all that apply)

• {(9, 5), (10, 5), (-9, 5), (-10, -5)}

• {(3, 4), (4, -3), (7, 4), (-3, 4)}

• {(6, -5), (7, -3), (6, -1), (9, 1)}

• {(2, -2), (5, 9), (5, -7), (1, 4)}

Tags

CCSS.8.F.A.1

Which of these tables represent a function? (A to D from top to bottom)

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Look at the mapping diagram. Is It a function or not?

• Function

• NOT a Function

Tags

CCSS.8.F.A.1

Look at the ordered pairs. Do we have a function or not?

• Function

• NOT a Function

Tags

CCSS.8.F.A.1

List BOTH the Domain and Range of these ordered pairs.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does this table represent a function?

• Yes!

• No!

• I Don't Know

Tags

CCSS.8.F.A.1

Which set of ordered pairs is not a function?

• (1, 3), (2, 7), (3, 8), (4, 11)

• (2, 3), (4, 9), (3, 8), (4, 15)

• (1, 2), (3, 5), (6, 9), (7, 11)

• (-9, 4), (-6, 3), (-2, 8), (0, 21)

Tags

CCSS.8.F.A.1