AA2H FLASHCARD 8.3: Exponential Growth and Decay Word Problems

Front

What does the a in y=a(1+r)^t represent?

Back

Initial Amount

Front

Classify the graph that shows a rapid increase and curves upwards.

Back

Exponential growth

Front

If the initial population of mosquitoes is 4,000 and it grows at a rate of 25% per month, how many mosquitoes will there be after 4 months?

Back

9766

Front

What is the value of k for the asymptote in an exponential function?

Back

k=1

Front

Which equation matches the graph that shifts down by 5 units?

Back

Front

Define exponential growth.

Back

Exponential growth occurs when a quantity increases by a fixed percentage over a period of time.

Front

Define exponential decay.

Back

Exponential decay occurs when a quantity decreases by a fixed percentage over a period of time.

Front

What is the formula for exponential growth?

Back

Front

What is the formula for exponential decay?

Back

Front

What does the variable r represent in the exponential growth formula?

Back

The growth rate expressed as a decimal.