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Summary
DescriptionGraph of parabola and tangent line.png
English: A graph of the parabola y=x^2, its tangent line at (1,1), y=2x-1. The point (1,1) is marked, as is the parabola, and the tangent line with a short description. Created using Desmos (desmos.com), and then edited with Microsoft Paint and paint.net. Meant to be a high resolution replacement for v:File:Derivative_as_tangent.jpg
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