What is 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.

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CCSS.HSF.IF.A.1

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values
• Yes, because each input goes to one and only one output

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CCSS.HSF.IF.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function 

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

• Function
• Not a Function

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Is this table a function or not a function? 

• Function
• Not a Function

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

.

• Function
• Not a Function

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Is it a function?

• Yes
• No

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CCSS.HSF.IF.A.1

What is the range of the following graph?

• all real numbers
• all integers
• any real number greater than zero
• it can not be determined

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CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

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

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

• Function
• Not a Function

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CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7