Functions and Not Functions Mappings

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

Which list of ordered pairs matches the mapping diagram?

• {(7, -3), (7, -2), (14, -1), (14, 0)}

• {(-3, 7), (-2, 7), (-1, 14), (0, 14)}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Select all the sets that represent functions

• 
• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Which of the following mappings represents a function?

Tags

CCSS.8.F.A.1

Tags

CCSS.8.F.A.1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does this represent a function?

• Yes

• No

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 paired with it.

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

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

are these inverse functions?

• no

• yes

• no way to tell

Tags

CCSS.HSF-BF.B.4C