Exponential Functions Review

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

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

What is the decay rate in the following model?
A=1200(.85)⁶

• -1200
• -.15
• 6
• -6

Tags

CCSS.HSF-LE.A.1C

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

• $23,219.72
• $136.72
• $51,710.94
• $16,710.94

Tags

CCSS.HSF.BF.A.2

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

Tags

CCSS.HSF.BF.A.2

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x
• y=15,000(1.08)^x
• y=15,000(0.92)^x
• y=15,000(0.08)^x

Tags

CCSS.HSF.LE.A.2

 A flea medicine breaks down at a rate of 20% per hour.  This is the rate of decay of the medicine. The initial dose is 60 milligrams. Which of the following represent the equation the models the amount of flea medicine left in an animal?

Tags

CCSS.HSF.LE.A.2

A new savings account is opened with $400 and gains 3% every year. How can we model this?

• f(x) = 400(1 + 3)^x

  f(x) = 400(4)^x

• f(x) = 400(1 - 0.03)^x

  f(x) = 400(0.97)^x

• f(x) = 400(1 + 0.03)^x

  f(x) = 400(1.03)^x

• f(x) = 400(1 - 0.97)^x

  f(x)=400(0.03)^x

Tags

CCSS.HSF.LE.A.2

Tags

CCSS.HSF-IF.C.8B

Tags

CCSS.HSF.LE.A.2