f(x,y) %3D —4у3 — 4ху — 12у — 3х? - 5х- 21 then fyy equals O -6 -12y? - 4x – 12 — 4y — 6х — 5 - -24y Does Not Exist O 1 O -4

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter0: Are You Ready For This Course?
Section0.B: Diagnostic Test: Algebraic Expressions
Problem 1DT
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If
f(x,y) = -4y3 – 4xy – 12y – 3x² – 5x – 21
then fy equals
ху
O -6
-12y? – 4x -
12
|
—4y — бх — 5
-
-24y
Does Not Exist
1
O -4
Transcribed Image Text:If f(x,y) = -4y3 – 4xy – 12y – 3x² – 5x – 21 then fy equals ху O -6 -12y? – 4x - 12 | —4y — бх — 5 - -24y Does Not Exist 1 O -4
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