59 Answered Questions for the topic Exponential Decay

Exponential Decay

03/08/15

The initial value of a car is $30,000. After one year, the value of the car is $20,000. Estimate the value of the car after five years.
no additional details
Follows • 2
Expert Answers •1
Exponential Decay Exponential Growth

03/04/15

Can you help me explain this?
1) Explain when a function in the form y=a•b^x models exponential growth and when it models exponential decay. 
Follows • 2
Expert Answers •1
Exponential Decay Geometry Equations

03/03/15

Which equation below will produce a decay curve?
A.)  y=3^x-4 B.)  y=2(4)^x C.)  y=1/2(3)^x D.)  y=6(1/3)^x   First of what is a decay curve and how do you find it?
Follows • 4
Expert Answers •1
Exponential Decay

02/15/15

make a table showing the active amount of active penicillin in your blood for 7 days after a 300-milligram dose
about 180 milligrams will remain active in your blood after 1 day. The amount of penicillin decreases exponentially 
Follows • 2
Expert Answers •1

12/15/14

determine the amount present after 54 minutes and after 2 hours. when will the amount present be less than 2 kg
The radioactive isotope U-24 has a half-life of 18 minutes. If there's presently 150kg of U-24: determine the amount present after 54 minutes and after 2 hours. when will the amount present be less... more
Follows • 2
Expert Answers •1

12/09/14

Exponential Decay
A population numbers 12,000 organisms initially and decreases by 6.4% each year.   A) Suppose P represents the population and t the number of years of decline. An exponential model for the... more
Follows • 2
Expert Answers •1
Exponential Decay Exponential Growth

11/06/14

a radioactive isotope decays exponentially. if 800 grams decays to 100 grams in 3 hours, how much will be left after 4 hours?
i dont understand how to get the final answer when i find the value of .
Follows • 2
Expert Answers •1
Exponential Decay

01/09/14

more questions about exponential function for a decay problem
Andrew measure the amount of a very unstable substance to be 100 moles.  The half life of this substance is 3 days (after 3 days, half is gone).   This is what I have so far to solve this table. ... more
Follows • 2
Expert Answers •1
Exponential Decay

01/08/14

write an exponential function for a decay problem
Please let me know if this expoinential function is correct for this story problem,  y = 100 (1 -.5)^x   Andrew measures the amount of a very unstable substance to be 100 moles.  The half-life of... more
Follows • 2
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.