2.2 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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• Function

• Not a Function

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CCSS.HSF.IF.A.2

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Is this mapping a function or not a function? 

• Function

• Not a Function

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All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

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All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

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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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Is this mapping a function or not a function? 

• Function

• Not a Function 

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Is this graph a function or not a function? 

• Function

• Not a Function

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Is this table a function or not a function? 

• Function

• Not a Function

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Is this graph a function or not a function? 

• Function

• Not a Function

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CCSS.HSF.IF.B.5