CCSS.Math.Content.HSF.LE.A.1

Since January 1980, the population of the city of Brownville has grown according to the mathematical model y=720,500(1.022)^x, where x is the number of years since January 1980. What is the was the population of Brownville in 1980?

• 102.2 people
• 720,500 people
• 1.022 people
• 1022 people

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CCSS.Math.Content.HSF.LE.A.1

Is this exponential growth or decay?

• Growth
• Decay

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CCSS.Math.Content.HSF.LE.A.1

Is the pictured graph growth, decay, or linear or none?  

• Growth
• Decay
• Linear
• None

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CCSS.Math.Content.HSF.LE.A.1

Which equation matches the graph?

• y = 2^x+3
• y = 2^x + 3
• y = 2^x
• y = 2^-x

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CCSS.Math.Content.HSF.LE.A.1

The Henley's took out a loan for $195,000 to purchase a home. At a 4.3% interest rate compounded annually,how much interest will they  have paid after 30 years?

• $412,749.79      Labor Day
• $429,305.61            the 4th of July
• $471,259.24  Groundhog Day
• $494,546.99 Valentine’s Day

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CCSS.Math.Content.HSF.LE.A.1

Is this exponential growth or decay?

• Growth because a=1
• Decay because b=0.5
• Growth because there is no a
• Neither because a=0

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CCSS.Math.Content.HSF.LE.A.1

A 78 gram sample of Uranium loses half of its mass each year.  What is the exponential equation? 

• y=78(0.5)^x
• y=78(1.5)^x
• y=78(2)^x

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CCSS.Math.Content.HSF.LE.A.1

Which function represents the table of values? 

• f(x) = 4x + 1
• f(x) = x²
• f(x) = 1(4)^x
• f(x) = 2(4)^x

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CCSS.Math.Content.HSF.LE.A.1

Which of the following graphs is NOT an exponential function?

• 
• 
• 
• 

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CCSS.Math.Content.HSF.LE.A.1

Anne deposited $500 in an

account that earns 6% simple annual interest.

Shelly deposited $500 in an account that earns 6% annual interest

compounded annually. They leave the

money in the account for 4 years. Which

statement is true about the two investments after 4 years?

• Shelly will have $131.24 more in her account

  than Anne has in her account.

• They will have the same

  amount in their accounts.

• Shelly will have $11.24 more

  in her account than Anne has in her account.

• Anne will have $11.24 more in

  her account than Shelly has in her account.

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CCSS.Math.Content.HSF.LE.A.1