9.M(a, y, z)xyz xyz, P(2, -1, 1), u- 10. f(x, y, z) y'e, P(0, 1, -1), u- 11-17 Find the directional derivative of the function at the given (0,.-) 4 12 13, 13 point in the direction of the vector v. (x. y) = e' sin y, (0, T/3), v= (-6, 8) X 2 > (1, 2), v = (3,5) 2. f(x, y) (2, 4), 13. g(s, t) st, 2i - j v 14. g(u, v) = u?e , (3, 0), v 3i + 4j (1, 2, 3), v = (2, -1,2) 15, f(x, y, z) = x'y + yz, WHG 16. f(x, y, z) = xy tan z, (2, 1, 1), v= (1, 1, 1) 17, h(r, s, t) = In (3r +6s +9t), (1, 1, 1), v = 4i + 12j + 6k 18. Use the figure to estimate Du f(2, 2). у (2,2) Vf(2, 2)

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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9.M(a, y, z)xyz xyz, P(2, -1, 1), u-
10. f(x, y, z) y'e, P(0, 1, -1), u-
11-17 Find the directional derivative of the function at the given
(0,.-)
4 12
13, 13
point in the direction of the vector v.
(x. y) = e' sin y,
(0, T/3),
v= (-6, 8)
X
2 >
(1, 2), v = (3,5)
2. f(x, y)
(2, 4),
13. g(s, t) st,
2i - j
v
14. g(u, v) = u?e , (3, 0), v 3i + 4j
(1, 2, 3), v = (2, -1,2)
15, f(x, y, z) = x'y + yz,
WHG
16. f(x, y, z) = xy tan z, (2, 1, 1), v= (1, 1, 1)
17, h(r, s, t) = In (3r +6s +9t), (1, 1, 1),
v = 4i + 12j + 6k
18. Use the figure to estimate Du f(2, 2).
у
(2,2)
Vf(2, 2)
Transcribed Image Text:9.M(a, y, z)xyz xyz, P(2, -1, 1), u- 10. f(x, y, z) y'e, P(0, 1, -1), u- 11-17 Find the directional derivative of the function at the given (0,.-) 4 12 13, 13 point in the direction of the vector v. (x. y) = e' sin y, (0, T/3), v= (-6, 8) X 2 > (1, 2), v = (3,5) 2. f(x, y) (2, 4), 13. g(s, t) st, 2i - j v 14. g(u, v) = u?e , (3, 0), v 3i + 4j (1, 2, 3), v = (2, -1,2) 15, f(x, y, z) = x'y + yz, WHG 16. f(x, y, z) = xy tan z, (2, 1, 1), v= (1, 1, 1) 17, h(r, s, t) = In (3r +6s +9t), (1, 1, 1), v = 4i + 12j + 6k 18. Use the figure to estimate Du f(2, 2). у (2,2) Vf(2, 2)
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