Identifying Functions

Is this is a function or not a function?

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this a function or not a function?

• Function
• Not a Function

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

Is this graph a function or not a function? 

• Function
• Not a Function

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

• Yes
• No

Tags

CCSS.8.F.A.1

Which of these tables represent a function?

• A
• B
• C
• D

Tags

CCSS.8.F.A.1

How do you determine if a relation is a function? 

• The vertical line test crosses more than one point on the graph.
• The same y-values are mapped from the same x-values.
• The vertical line test crosses only one point on the graph.
• Each input is related to more than one output.

Which of the following is a function?

• 
• 
• 
• 

Is the following a function?

• Yes, this is a function.

• No, it's not a function.

• Can't be determined with this information.

Tags

CCSS.8.F.A.1