# A Discover-$e$

by Helen Skala (University of Wisconsin - La Crosse)

College Mathematics Journal
March, 1997

Subject classification(s): Algebra and Number Theory | Algebra | Functions
Applicable Course(s): 3.1 Mainstream Calculus I

The author uses differentiation to find the point of tangency for exponential functions for all bases and shows they lie on a horizontal line.

A pdf copy of the article can be viewed by clicking below. Since the copy is a faithful reproduction of the actual journal pages, the article may not begin at the top of the first page.