Test Review Unit 3 Exponentials & Logarithms

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• 84

• 13

• -20

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CCSS.HSF.BF.B.5

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Which of the following functions represents an initial amount of $15 and an increase of 35% each year?

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CCSS.HSF.LE.A.2

What is the growth or decay rate for the following equation?
y = 1/3(0.7)^x

• 7% decay
• 70% decay
• 30% growth
• 30% decay

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CCSS.HSF-IF.C.8B

Which function represents exponential decay?

• y=100(5/6)^x

• y=100(6/5)^x

• y=100(5)^x

• y=100(5.6)^x

Tags

CCSS.HSF-LE.A.1A

Howard’s uncle gave him $885 for his tenth birthday.  The money was invested in a savings account with interest compounded at 12% quarterly.  He decided to leave the money in the account until it reached an amount of $3500, at which time he will use it as a down payment on a car.  How long will it take him?

• It will take him

  6 years

• It will take him

  11.629 years

• It will take him

  12.613 years

• It will take him

  13 years

A Toyota Camry will lose approximately 12.3% of its value each year. 

If you purchase a new Camry now for $25,800, how much would it be worth in 5 years?

• $11,713.17

• $22,540.25

• $15,614.12

• $13,384.98

Tags

CCSS.HSF.BF.A.2

What is the transformation?

• Vertical Translation up 2
• Vertical Translation down 2
• Horizontal Translation left 2
• Horizontal Translation right 2

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CCSS.HSF.BF.B.3

• Shifted up 5

• Shifted down 5

• Reflection over the x-axis

• Reflection over the y-axis

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CCSS.HSF.BF.B.3

What kind of shift  is represented?

• up 1 unit
• left 1 unit
• right 1 unit 
• down 1 unit

Tags

CCSS.HSF.BF.B.3