Garry Geslin
Assignment Quiz 4 Sec 13.1-13.5 due 11/08/2016 at 09:26pm CST
2016Fall-MATH243-03-Liu
(incorrect)
Problem 2. 3. (1 point) Find the directional derivative of
f (x, y, z) = zx + y3 at the point (2, 3, 1) in the direction of a vector making an a
Garry Geslin
Assignment HW Sec 13.6-13.8 due 11/28/2016 at 11:59pm CST
=
maximum m() =
(c) Find the minimum value of f (x, y) = x2 + y2 subject to
the constraint 6x + 8y = 18 using the method of Lagrange multipliers and evaluate .
minimum f =
=
(How are t
Garry Geslin
Assignment HW Sec 9.3-9.4 due 09/09/2016 at 11:59pm CDT
2016Fall-MATH243-03-Liu
2.
1. (1 point) Compute the value of the following improper
integral. If it converges, enter its value. Enter infinity if it diverges to , and -infinity if it div
Garry Geslin
Assignment HW Sec 13.4-13.5 due 11/18/2016 at 11:59pm CST
2016Fall-MATH243-03-Liu
(correct)
f
y
f
z
1. (1 point)
Let f (x, y, z) = xy3 + z and x = s2t, y = s2t, and z = s3t 3 .
(a) Calculate the primary derivatives
f
x =
=
3. (1 point) Suppos