Introduction to Functions

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of these tables represents a function?

• W

• Y

• Z

• X

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CCSS.8.F.A.1

Which relation diagram represents a function?

• Z

• Y

• X

• W

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CCSS.8.F.A.1

If my function rule is y=x + 3, what is the OUTPUT if the input is 4?

• 4

• 3

• 7

• 10

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function

• Not a Function 

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CCSS.8.F.A.1

Which of the following relations describes a function?

• A

• D

• C

• B

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CCSS.8.F.A.1

What is the range of the function shown?

• {-5, -3, -1, 3, 5}

• 3 ≤ y ≤ 6

• -5 ≤ x ≤ 5

• {3, 6}

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CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}

• {(2,7), (3,7), (4,7), (5,8)}

• {(1,-5), (-1,6), (1,5), (6,-3)}

• {(3,-2), (5,-6), (7,7), (8,8)}

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CCSS.8.F.A.1

What is the DOMAIN of the graph shown?

• -10 ≤ x < 2

• -10 < x ≤ 2

• -8 ≤ x < 6.5

• -8 < x ≤ 0

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CCSS.8.F.A.1

CCSS.HSF.IF.B.5