UNIT 6 REVIEW-Functions

Which graph represents a function?

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which table does NOT represent a function?

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CCSS.8.F.A.1

Determine whether the relation shown here is a function. Explain your answer.

• function, an input has 1 output

• function, an input has 2 different outputs

• function, no output has 2 different inputs

• not a function, an input has 2 different outputs

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CCSS.8.F.A.1

Which equation matches the table?

• y = x - 3

• y = x + 3

• y = 4x - 3

• y = 4x + 3

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper
• Nate’s service ($42 vs. $44) is cheaper
• Nate’s service ($38 vs. $40) is cheaper
• Beth's service ($42 vs. $44) is cheaper

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which function has the GREATEST rate of change?

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which function has the GREATEST initial value?

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is a possible scenario for the given table?

• You have $8 and get $5 more each day!

• You have $16 and get $2 more each day!

• You have $2 and get $6 more each day!

• You have $6 and get $2 more each day!

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What has the GREATER rate of change. y = 5x +15 OR the graph

• y = 5x + 15

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What has the GREATER rate of change.

• y = 7x + 10

• Someone who starts with $6 and gets $8 each day.

• y = 5x + 20

• Someone who starts with $8 and gets $6 each day.

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9