# How To Solve Growth And Decay Problems

For example, bacteria will continue to grow over a 24 hours period, producing new bacteria which will also grow.The bacteria do not wait until the end of the 24 hours, and then all reproduce at once.In this tutorial, learn how to turn a word problem into an exponential decay function. Check out this tutorial where you'll see exactly what order you need to follow when you simplify expressions.

For example, bacteria will continue to grow over a 24 hours period, producing new bacteria which will also grow.

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After all, the more bacteria there are to reproduce, the faster the population grows.

Figure \(\Page Index\) and Table \(\Page Index\) represent the growth of a population of bacteria with an initial population of 200 bacteria and a growth constant of 0.02.

(I might want to check this value quickly in my calculator, to make sure that this growth constant is positive, as it should be.

If I have a negative value at this stage, I need to go back and check my work.), try to do the calculations completely within the calculator in order to avoid round-off error.

No matter the particular letters used, the green variable stands for the ending amount, the blue variable stands for the beginning amount, the red variable stands for the growth or decay constant, and the purple variable stands for time.

Get comfortable with this formula; you'll be seeing a lot of it.

Many math classes, math books, and math instructors leave off the units for the growth and decay rates.

However, if you see this topic again in chemistry or physics, you will probably be expected to use proper units ("growth-decay constant / time"), as I have displayed above.

One of the most prevalent applications of exponential functions involves growth and decay models.

Exponential growth and decay show up in a host of natural applications.

## Comments How To Solve Growth And Decay Problems

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