# Off on a Tangent

by Brian C. Detel (Whitman College) and Russell A. Gordon (Whitman College)

College Mathematics Journal
January, 2003

Subject classification(s): Calculus
Applicable Course(s): 3.1 Mainstream Calculus I

The authors investigate families of curves whose tangent lines at a fixed $y$-coordinate go through the origin.

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