Unit 6 Test Review

A part of an exponential function is graphed on the grid .

• The domain is the set of all real numbers greater than or equal to 1 and less than or equal to 2.

• The domain is the set of all real numbers greater than or equal to 3 and less than or equal to 9.

• The range is the set of all real numbers greater than or equal to 3 and less than or equal to 9.

• The range is the set of all real numbers greater than or equal to 1 and less than or equal to 2.

• The range is the set of all real numbers.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

The value of a home is $350,000. The home's value is decreasing at a rate of 4.3% per year. Create a function y, that can be used to find the home's value after x number of years.

Enter the correct answer in the box. Do not include spaces or commas in your answer.

y = ____________________  

• The amount of money in the investment account decreases 5% each year.

  
  

• The initial deposit is $3036

• The amount of money in the investment account increases 105% each year.

• The initial deposit is $2891

Tags

CCSS.HSF-IF.C.8B

• The range is all real numbers

• The range is all real numbers greater than 0.

• The domain is all real numbers

• The domain is all real numbers greater than or equal to 2.

The graph shows the number of game consoles sold in millions since 2009.

Based on this information, write a function that best models the number of game consoles sold in millions x years since 2009.

Tags

CCSS.HSF.LE.A.2

• a) The savings account started with $5. It grew 70% each year.

  b) The value of the coin was worth $6. It increased in value 47% each year.

• a) The savings account started with $5. It grew 130% each year.

  b) The value of the coin was worth $6. It decreased in value 47% each year.

• a) The savings account started with $5. It grew 30% each year.

  b) The value of the coin was worth $6. It decreased in value 53% each year.

• a) The savings account started with $5. It decreased 30% each year.

  b) The value of the coin was worth $6. It decreased in value 53% each year.

Tags

CCSS.HSF.LE.A.2

• The insect population decreased at a rate of 40% each month.

• The insect population increased at a rate of 60% each month.

• The insect population increased by 16 insects each month.

  
  

• The insect population decreased by 16 insects each month.

  
  

Tags

CCSS.HSF-IF.C.8B

The table represents some points on the graph of an exponential function. Create an equation that represents the same relationship. Enter the correct answer in the box. Write your equation using decimals.

Tags

CCSS.HSF-IF.C.7E