2. For the function z = f(x, y) =y3+2xy - 2x² - 6y+7, find the critical points and classify them as local maximum, local minimum, or saddle point. Clearly show all the steps of the process that lead to your conclusions! 1. Given the function z = f(x, y) = -x3 + 4x²y - 3xy² +8: a. Find the directional derivatives at the domain point (xo, yo) = (2, 1) in the directions of the vectors v = <4, -3> and w<5, 1>. Clearly show all the key steps to produce the results! b. What is the highest value of the directional derivative for this function at this domain point? In what direction in the domain plane does it occur? c. What are the directions of the function's level contour at this location and what is its value? d. Plot the vectors v and w from part a, and the information found in parts b & c in the xy - plane provided above to represent the behavior of the function in the neighborhood of the given domain point.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.3: Lines And Planes
Problem 18EQ
icon
Related questions
Question

I need help on question 1?

2. For the function z = f(x, y) =y3+2xy - 2x² - 6y+7, find the critical points and classify them as local maximum,
local minimum, or saddle point. Clearly show all the steps of the process that lead to your conclusions!
Transcribed Image Text:2. For the function z = f(x, y) =y3+2xy - 2x² - 6y+7, find the critical points and classify them as local maximum, local minimum, or saddle point. Clearly show all the steps of the process that lead to your conclusions!
1. Given the function z = f(x, y) = -x3 + 4x²y - 3xy² +8:
a. Find the directional derivatives at the domain point (xo, yo) = (2, 1) in the
directions of the vectors v = <4, -3> and w<5, 1>. Clearly show all the key
steps to produce the results!
b. What is the highest value of the directional derivative for this function at this domain point? In what direction in the
domain plane does it occur?
c. What are the directions of the function's level contour at this location and what is its value?
d. Plot the vectors v and w from part a, and the information found in parts b & c in the xy - plane provided above to represent
the behavior of the function in the neighborhood of the given domain point.
Transcribed Image Text:1. Given the function z = f(x, y) = -x3 + 4x²y - 3xy² +8: a. Find the directional derivatives at the domain point (xo, yo) = (2, 1) in the directions of the vectors v = <4, -3> and w<5, 1>. Clearly show all the key steps to produce the results! b. What is the highest value of the directional derivative for this function at this domain point? In what direction in the domain plane does it occur? c. What are the directions of the function's level contour at this location and what is its value? d. Plot the vectors v and w from part a, and the information found in parts b & c in the xy - plane provided above to represent the behavior of the function in the neighborhood of the given domain point.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning