Exponential Growth or Decay from an Equation

Which of the equations below represent this table?

• y=3⋅(36)^x

• y=36⋅(3)^x

• y=3⋅(⅓)^x

• y=36⋅(⅓)^x

Classify the model as Exponential GROWTH or DECAY.

f(x) = 10(1.01)^x

• Growth

• Decay

• a

• b

• c

• d

• Week 2

• Week 3

• Week 4

• Week 5

• f(x)

• g(x)

• f(x) and g(x) have the same rate of growth.

• The rate of growth cannot be determined from the given information.

• 1%

• 2%

• 3%

• 4%

• 300%

• 100%

• 92%

• 8%

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

• Exponential Growth

• Exponential Decay

• Linear

• None

Classify the model as Exponential GROWTH or DECAY.

f(x) = 1200(.85)^x

• Growth

• Decay

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 percentage increase of the population annually?

• 720,500%

• 102.2%

• 2.2%

• 22%