Exponential Functions practice

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

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

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

Write an equation that models the following situation:

Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

Tags

CCSS.HSF.LE.A.2

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y = 5000(0.7)^x

• y = 30(5000)^x

• y = 5000(1.3)^x

• y = 5000(0.3)^x

Tags

CCSS.HSF.LE.A.2

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

What is the asymptote of this function?

• y = 0

• y = 5

• y = 2

• y = 1

Tags

CCSS.HSF-IF.C.7E

Pick the equation that is exponential decay

• y = 2000(0.88)^x

• y = 0.5(1.88)^x

• y = 10(3/2)^x

• y = 13^x

Tags

CCSS.HSF-LE.A.1A

• Initial amount of bacteria is 5000

  It is increasing by 13%

• Initial amount of bacteria is 5000

  It is decreasing by 13%

• Initial amount of bacteria is 113

  It is increasing by 50%

• Initial amount of bacteria is 113

  It is decreasing by 50%

Tags

CCSS.HSF.LE.B.5

• There were initially 250 mosquitoes

  They are increasing by 4%

• There were initially 250 mosquitoes

  They are increasing by 96%

• There were initially 250 mosquitoes

  They are decreasing by 4%

• There were initially 250 mosquitoes

  They are decreasing by 96%

Tags

CCSS.HSF.LE.B.5

A population of 1500 deer decreases by 1.5% per year. At the end of 10 years, there will be approximately 1290 deer in the population. Which function can be used to determine the number of deer, y, in this population at the end of t years?

• y = 1500(0.985)^t

• y = 1500(0.015)^t
• y = 1500(1.015)^t

• y = 1500(0.85)^t

Tags

CCSS.HSF.LE.A.2