Interpreting and Solving Exponential Growth and Decay

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay

• Because the 90 was bigger than one

• Because the 1/2 was bigger than one

• Because the 90 was less than one

• Because the 1/2 was less than one

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay

• Because the 3 was bigger than one

• Because the 5/2 was bigger than one

• Because the 3 was less than one

• Because the 5/2 was less than one

How do we know that is an example of an exponential growth?

• Its a line going up

• Its a line going down

• Its a smooth curve going down

• Its a smooth curve going up

If the decay rate is 20%, which of the following represent the decay factor?

• 0.2

• 0.8

• 1.2

• 1.8

If the growth rate is 80%, what is the growth factor?

• 0.2

• 0.8

• 1.2

• 1.8

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?

Select all the equations that represent exponential decay.