(a) The curve with equation y = x + 3x² is called the Tschirnhausen cubic. Find an equation of the tangent line to this curve at the point (1, 2). y = (b) At what points does this curve have horizontal tangents? (x, y) = (smaller y-value) (x, y) = | (larger y-value) (c) Illustrate parts (a) and (b) by graphing the curve and the tangent lines on a common screen. y 31 (1, 2) (1, 2) 31 (-2, 2) y 31 (1, 2) (1, 2) (0, 1) (-2, –2)
(a) The curve with equation y = x + 3x² is called the Tschirnhausen cubic. Find an equation of the tangent line to this curve at the point (1, 2). y = (b) At what points does this curve have horizontal tangents? (x, y) = (smaller y-value) (x, y) = | (larger y-value) (c) Illustrate parts (a) and (b) by graphing the curve and the tangent lines on a common screen. y 31 (1, 2) (1, 2) 31 (-2, 2) y 31 (1, 2) (1, 2) (0, 1) (-2, –2)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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