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

Which graph is not a function?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

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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

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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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

You can identify a function from a graph by using the.....

• Horizontal Line Test
• Eye Test
• Vertical Line Test
• Diagonal Line Test

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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 function best describes this graph?

• f(x)= -√(x+4) -2
• f(x)= √(x-4) -2
• f(x)= -√(x-4) -2
• f(x)= √(x+4) +2

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

Is the relation a function? 
(1,2), (3,4), (5,1), (8,1)

• Yes
• No

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

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

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

TEKS.MATH.9-12.VII.A