A contour map for a function f is shown. 16 of 12 Use the contour map to estimate the sign of the following derivatives: fx( – 4, 2) is Select an answer Select an answer fy( – 4, 2) is negative (<0) positive (>0) f-(0, 4) is [Se zero (=0) fy(0, 4) is Select an answer

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A contour map for a function f is shown.
up
16
7-
12
5-
5 -4
40
Use the contour map to estimate the sign of the following derivatives:
fr( - 4, 2) is Select an answer
Select an answer
fy( – 4, 2) is negative (<0)
positive (>0)
fz(0, 4) is Sezero (=0)
fy(0, 4) is Select an answer v
Transcribed Image Text:A contour map for a function f is shown. up 16 7- 12 5- 5 -4 40 Use the contour map to estimate the sign of the following derivatives: fr( - 4, 2) is Select an answer Select an answer fy( – 4, 2) is negative (<0) positive (>0) fz(0, 4) is Sezero (=0) fy(0, 4) is Select an answer v
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