We want to find all points of y at which the tangent line to y is parallel to the line I- 3y = 4. One way to do this is as follows: a) Find an equation for the collection of all points in the plane for which the gradient Vf is parallel to the normal of r- 3y = 4. You should find that all these points lie on a straight line. b) Find all points on that straight line that also lie on y. The tangent line to y at those points should be parallel to r-3y 4. %3D %3D

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Consider the parabola y given by the equation f(r, y) = 1 – 4ry +4y? – 3x +2y = 4.
9.
10
We want to find all points of y at which the tangent line to y is parallel to the line
T- 3y = 4. One way to do this is as follows:
a) Find an equation for the collection of all points in the plane for which the gradient
Vf is parallel to the normal of r- 3y = 4. You should find that all these points
lie on a straight line.
b) Find all points on that straight line that also lie on y. The tangent line to y at
those points should be parallel to I-3y = 4.
Transcribed Image Text:Consider the parabola y given by the equation f(r, y) = 1 – 4ry +4y? – 3x +2y = 4. 9. 10 We want to find all points of y at which the tangent line to y is parallel to the line T- 3y = 4. One way to do this is as follows: a) Find an equation for the collection of all points in the plane for which the gradient Vf is parallel to the normal of r- 3y = 4. You should find that all these points lie on a straight line. b) Find all points on that straight line that also lie on y. The tangent line to y at those points should be parallel to I-3y = 4.
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