Find the point where the tangent line to y=x2 at x=0.4 crosses the x-axis. x-intercept =

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.
Question

Find the point where the tangent line to y=x2 at x=0.4 crosses the x-axis.

x-intercept =

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