Question 558768: Can someone answer this question for me? Identify the important characteristics of an exponential function. Explain the difference between the graph of an exponential growth function and an exponential decay function and give an example of each type of function.
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website! An equation of an exponential function has the variable in the exponent. The equation is in the form  where a and k are constants, and x is a variable.
For exponential growth, the value of k given above is positive. For exponential decay, the value of k is negative.
For a complete explanation of LOGARTHIMS, including Solving Exponential and Logarithmic Equations, and Growth and Decay problems please see my own website. To go to my website, use the easy-to-spell and easy-to-remember link www.mathinlivingcolor.com. At the very bottom of this page, there is a link that will take you to my Homepage.
Once you are on my Homepage, look for the link "Basic, Intermediate, and College Algebra: One Step at a Time." Choose "College Algebra", and look in "Chapter 4," for the entire chapter, that my own students, before I retired, found a lot easier to understand than the published textbooks of that day. You should really like my MATH IN LIVING COLOR pages (complete with TI 84 illustrations), where the most difficult problems are solved IN COLOR. In addition, I have 2 videos of me teaching this topic before I retired. To find my video, look on my Homepage for the link "Rapalje Videos in Living Color."
Everything on the website is FREE. If you find something you really like, just print your own copy of it!!
If anyone needs to contact me, especially about the website, my Email address is rapaljer@seminolestate.edu. I'll be glad to help you find an explanation on my website to help you with your algebra topic!
Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus
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