Exponential Growth and Decay

Front

An adult takes 400 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%. How much ibuprofen is left after 6 hours?

Back

51 mg

Front

Original value of a painting is $1400, increases by 9% each year. Write an exponential growth function.

Back

y=1400(1.09)^x

Front

Deposit $3000 in a savings account with 4% annual interest. How much after 10 years?

Back

$4440.73

Front

Printer worth after 8 years with 5% annual depreciation on $35,000?

Back

$23,219.72

Front

A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

Back

4309

Front

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

Back

y=15,000(0.92)^x

Front

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

Back

9766

Front

Value of land purchased for $30,000 increased by 5% per year. Approximate value 51 years later?

Back

$344,022

Front

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

Back

Growth

Front

Is this exponential growth or decay?

Back

Decay