8.5.2 Definition of a Function Classwork

Does this represent a function?

• Yes

• No

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CCSS.8.F.A.1

• A

• B

• C

• D

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CCSS.8.F.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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CCSS.8.F.A.1

If my function rule is 2x + 1, what is the OUTPUT if the input is 2?

• 5
• 4
• 22
• 23

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Level 3 Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

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CCSS.6.EE.C.9

Determine whether the table of values represents a function.

• Function

• Not a function

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CCSS.8.F.A.1

Function h(x) = x + 4

If your input was 2, what is your output?

• x = 7

• h(x) = -2

• h(x) = 6

• x = 6

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the rule?

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the rule?

• x + 3

• x - 7

• x/2

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the rule?

• x + 12

• x/4

• x(4)

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1