Exponential Functions

Front

A website has 267,500 subscribers and is decreasing at a rate of 8% each month. How many subscribers will there be after 7 weeks?

Back

149,224 subscribers

Front

Back

Front

Write a function for the following statement: Fiona has $500 in her savings account and plans to save $45 each month.

Back

Front

Fiona has $500 in her savings account and plans to save $45 each month. How much money will Fiona have in her account after 12 months?

Back

$1,040

Front

Function for Alex's investment: $345 at 5% interest compounded annually.

Back

Front

Alex invests $345 in an account that earns 5% interest compounded annually. What is Alex's balance after 3 years?

Back

$399.38

Front

Write a function for the following statement: Scientists studied the population of a species of bats in some caves in Missouri from 1983 to 2003. In 1983, there were 185,600 bats living in the caves. That number decreased by about 11% annually until 2003.

Back

Front

Scientists studied the population of a species of bats in some caves in Missouri from 1983 to 2003. In 1983, there were 185,600 bats living in the caves. That number decreased by about 11% annually until 2003. How many bats were there in 2003?

Back

18,046 bats

Front

Write a function for the following statement: Lin is tracking the progress of her plant's growth. Today the plant is 5 cm tall. The plant grows 1.5 cm per day.

Back

Front

What will the height of the plant be after 20 days if it is currently 5 cm tall and grows 1.5 cm per day?

Back

35 cm