FY Algebra 1 Winter Exam Practice

Match the table shown to a function that will match the relationship shown.

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CCSS.HSF-LE.A.1A

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CCSS.HSF.IF.A.3

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CCSS.HSF.BF.A.2

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CCSS.HSF.BF.A.2

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CCSS.HSF.LE.A.2

Consider the function represented in the table.

Which BEST describes the function?

• The function changes by equal factors over equal intervals. The function is an exponential function.

• The function changes by equal differences over equal intervals. The function is an exponential function.

• The function changes by equal factors over equal intervals. The function is a linear function.

• The function changes by equal differences over equal intervals. The function is a linear function.

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CCSS.HSF-LE.A.1B

A car is purchased for $32,000. It depreciates at a rate of 11% per year.

What is the value of the car after 4 years?

• $17,920

• $28,480

• $22,559.01

• $20,077.52

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CCSS.HSF.BF.A.2

A repair service charges $75.00 to come to your home, plus $17.25 per hour.

What function can be used to model the situation and find the total cost for a 6-hour job at your home?

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CCSS.HSF-BF.A.1A

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CCSS.HSF.LE.A.2

Suppose you have $15,000 to invest and a choice between two investment plans. In each plan, the interest you earn each year is added to the value of the investment.

In Plan A, you earn $1,000 in interest every year.

In Plan B, you earn 6% of your current investment value every year.

Which plan gives a larger value in year 10? In year 20?

In what year, if any, are the values about the same?

• In year 10, Plan A is $25,000 and Plan B is $28,766.89

  In year 20, Plan A is $35,000 and Plan B is $50,432.27

  the Plans have about the same value in year 7.

• In year 10, Plan A is $25,000 and Plan B is $26,862.72

  In year 20, Plan A is $35,000 and Plan B is $48,107.03

  the Plans have about the same value in year 5.

• In year 10, Plan A is $25,000 and Plan B is $26,862.72

  In year 20, Plan A is $35,000 and Plan B is $48,107.03

  the Plans have about the same value in year 11.

• In year 10, Plan A is $25,000 and Plan B is $28,766.89

  In year 20, Plan A is $35,000 and Plan B is $50,432.27

  the Plans have about the same value in year 5.