Identifying and Representing Functions

Tell whether the relationship is a function

• Function

• Not Function

Tags

CCSS.8.F.A.1

Which set of ordered pairs is a function?

• <(9,5), (10,5), (9,-5), (10,-5)>

• <(3,4), (4,-3), (7,4), (3, 8)>

• <(6,-5), (7, -3), (8, -1), (9, 1)>

• <(2, -2), (5, 9), (5, -7), (1, 4)>

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

Which of these tables represent a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

Is this graph a function? How did you know?

• No, using vertical line test.

• Yes, using vertical line test.

• No, because there are values repeated in its range.

• Yes, because there are no values repeated in its domain.

Tags

CCSS.8.F.A.1

Tell whether the relationship is a function

• Function

• Not Function

Tags

CCSS.8.F.A.1

Tell whether the relationship is a function

• Function

• Not Function

Tags

CCSS.8.F.A.1

Tell whether the relationship is a function

• Function

• Not Function

Tags

CCSS.8.F.A.1

Tell whether the relationship is a function

• Function

• Not Function

Tags

CCSS.8.F.A.1

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.8.F.A.1

CCSS.HSF.IF.A.1