Compare Functions in Different

Which company shows a greater rate of change? briefly state your choice.

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• The slope of Function A is greater than the slope of Function B.

• The slope of Functions A is less than the slope of Function B.

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Compare the initial values of each function.

• The initial value of item I is greater than the initial value of item II.

• The initial value of item I is equal to the initial value of item II.

• The initial value of item II is greater than the initial value of item I.

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which linear function has the greatest slope?

• A

• B

• C

• D

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• Function J, -6

• Function J, 8

• Function K, 5

• Function K, 10

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

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

The cost of Patrick’s texting is described by y = 0.03x + 5. The cost of Melanie’s texting is shown in the table. Which service is cheaper when 50 texts are sent or received in one month? 

• Patrick’s service would cost $4.50. Melanie’s would cost $10.50. Patrick’s is cheaper.

• Patrick’s service would cost $6.50. Melanie’s would cost $12.50. Patrick’s is cheaper.

• Patrick’s service would cost $16.50. Melanie’s would cost $12.50. Melanie's is cheaper.

• Patrick’s service would cost $12.50. Melanie’s would cost $6.50. Melanie's is cheaper.

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• Function J, -6

• Function J, 8

• Function K, 5

• Function K, 10

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Two linear functions are shown below. Which function has the greater initial value?

• Function A

• Function B

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The cost of Nate’s service is described by y=4x+10 The table shows the cost of Beth’s service. Which service is cheaper per month?

• Beth's is cheaper because it charges 5 per month and Nate's charges 6 dollars per month.

• Beth's is cheaper because it charges 5 per month and Nate's charges 4 dollars per month.

• Nate's is cheaper because it charges 4 per month and Beth's charges 5 dollars per month.

• Nate's is cheaper because it charges 4 per month and Beth's charges 10 dollars per month.

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9