Tangent Lines to Exponential and Logarithmic Functions through the Origin
Initializing live version
Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
For each exponential function , draw the tangent line through the origin. The points of tangency lie on the horizontal line Likewise, for the logarithmic functions , the points of tangency lie on the vertical line .
Contributed by: Soledad María Sáez Martínez and Félix Martínez de la Rosa (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Reference: H. Skala, "A discover-e," The College Mathematics Journal, 28(2), 1997 pp. 128–129.