Functions, Functions, 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.A.2

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

Is this mapping 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

Which set of values 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)

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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

Does the table represent a function?

• Yes, there  is a repeated x-value. 
• No, there aren't any repeated y-values. 
• Yes, there are repeated y-values. 
• No, there is a repeated x-value. 

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CCSS.8.F.A.1

• 27

• 21

• 24

• 72

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CCSS.HSF.IF.A.2

• 30

• 62

• 14

• 32

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CCSS.HSF.IF.A.2