# 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.

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Capsule Course Topic(s):
One-Variable Calculus | Calculus Functions