Pr. #1) Find the directional derivative of the function at the given point in the direction of the vector a. f(x, y, z) = 6yz + 11r, (-1,-1, 1), a i-7j- 3k

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
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Pr. #1) Find the directional derivative of the function at the given point in the direction of the vector a.
f(r, y, z) = 6yz + 11r, (-1,-1,1), a =i-7j-3k
Pr. #2) Find an equation of the plane.
Contains the line a +3 =
yt5 = 1 and is orthogonal to the line z =7-2t, y= 1+5t, z= -9t.
Pr. #3) Find parametric equations for the tangent line to the curve with the given parametric equations
at the specified point.
x = 3t – 4, y = 1-
8
z = tan
nt
(8,-1,0)
Pr. #4) Find the local maximum and minimum values (put answers in the form f(a,b) = c) and saddle
point(s) of the function.
f(1, y) = 7ry+x+2y
MacBook
Transcribed Image Text:Pr. #1) Find the directional derivative of the function at the given point in the direction of the vector a. f(r, y, z) = 6yz + 11r, (-1,-1,1), a =i-7j-3k Pr. #2) Find an equation of the plane. Contains the line a +3 = yt5 = 1 and is orthogonal to the line z =7-2t, y= 1+5t, z= -9t. Pr. #3) Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x = 3t – 4, y = 1- 8 z = tan nt (8,-1,0) Pr. #4) Find the local maximum and minimum values (put answers in the form f(a,b) = c) and saddle point(s) of the function. f(1, y) = 7ry+x+2y MacBook
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