Functions & Non-Functions

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

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• Function
• Not a Function

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.IF.A.2

Is this mapping a function or not a function? 

• Function
• Not a Function

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CCSS.8.F.A.1

A set of ordered pairs is called what?

• Coordinates
• Relation
• Function
• Vertical Line Test

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Given the points (3, 5) (2, 4) (9, 0)  and  (?, 6). What could replace the ? to create a non-function? 

• 1
• 3
• 4
• 7

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CCSS.8.F.A.1

Which ordered pair could you add to the following list of points to create a function?  (3, 5) (4, 9) (2, 5) 

• (3, 7)
• (4, 1) 
• (1, 9)
• (2, 6)

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CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

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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.

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CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function
• Not a Function

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Is this graph a function or not a function? 

• Function
• Not a Function

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

CCSS.HSF.IF.B.4