A.12.A Remediation: Function vs. Non-Function

• Function because no input value repeats.

• Not a Function because there is at least one input value that repeats.

• Function
• Not a Function

• Function because the x-values do not repeat.

• Not a Function because there is at least one x-value that repeats.

• Function
• Not a Function

• Function because all of the x-values are different.

• Not a Function because some x-values are the same.

Is this graph a function or not a function? 

• Function
• Not a Function

• Function
• Not a Function

• Function
• Not a Function

Is this set of ordered pairs a function and how can you tell?

• Yes its a function because no y values repeat

• No it's not a function because there are negative numbers

• No it isn't a function because an x value repeats but has different y values 

• No it isn't a function because an y value repeats but has different x values

One test to see if a graph is a FUNCTION is the ________ Line Test, also known as the "Pencil Test."