Try Stewarts 7th Edition Textbook, he includes a variety of different applications of calculus concepts to problems of physics/biology/sociology/finance/economics
So this is my first post, I was wondering can you explain the first two examples of this page?
http://www.math.ubc.ca/~rathb/mar_6_p_4.jpg
What I don't understand is why, if there is a horizontal asymptote at p = 0.99 < 1 on first example, it diverges to infinity but in the second...