TEKS.MATH.9-12.VII.A.1

What is the definition of a 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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TEKS.MATH.9-12.VII.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function

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TEKS.MATH.9-12.VII.A.1

Is this table a function or not a function? 

• Function
• Not a Function

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TEKS.MATH.9-12.VII.A.1

Which statement is TRUE:

• Domain is all positive numbers
• Domain is all x values
• Domain is all negative numbers
• Domain is all y values 

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TEKS.MATH.9-12.VII.A.1

Is this table a function or not a function? 

• Function
• Not a Function

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TEKS.MATH.9-12.VII.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function

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TEKS.MATH.9-12.VII.A.1

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.9-12.VII.A.1

What is the domain of the function in this graph?

• x ≤ 3
• x ≥ 3
• x ≤ 0
• x ≥ 0

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TEKS.MATH.9-12.VII.B.1

TEKS.MATH.9-12.VII.A.1

Is this is a function 
(6,2) (8,2) (10,2)? Justify

• no the x-values are different
• yes the y-values are different
• yes the x-values are different
• No the y-values are different

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TEKS.MATH.9-12.VII.A.1

Which relation is a function?

• A
• B
• C
• D

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TEKS.MATH.9-12.VII.A.1