TEKS.MATH.8.5G

For a mapping to be considered a function, there must be _______.

• No more than 1 arrow from each x-value
• No more than 1 arrow to each y-value
• At least 1 arrow from each x-value
• At least 1 arrow from each y-value

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TEKS.MATH.8.5G

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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TEKS.MATH.8.5G

Does this mapping diagram represent a function?

• No, because there are repeating input values
• Yes, because there are no repeating input values

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TEKS.MATH.8.5G

Is this graph a function or not a function? 

• Function 
• Not a Function

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TEKS.MATH.8.5G

Is this table a function or not a function? 

• Function
• Not a Function

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TEKS.MATH.8.5G

What is the domain of the relation shown in the graph above?

• {0, 1, 2, -2, 3}
• {1, 3, 0, -2, -5}
• {0, 2, -1, 3, 5}
• {-5, -2, 2,-1, 3}

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TEKS.MATH.8.5G

Where is point E located?

• ( 2, 0 )
• ( 2 , 2 )
• ( 0 , 2 )
• ( 0 , 0 )

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TEKS.MATH.8.5G

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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TEKS.MATH.8.5G

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

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TEKS.MATH.8.5G

What is the range?

• the set of all x-values

• the set of all y-values

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TEKS.MATH.8.5G