Find all local maxima, local minima, and saddle points of each function. Enter each point as an ordered triple, e.g., "(1,5,10)". If there is more than one point of a given type, enter a comma- separated list of ordered triples. If there are no points of a given type, enter "none". f(r, y) = 8x? – 4xy + 3y² – 3x + 3y – 7 Local maxima are none Local minima are none Saddle points are none f(x, y) = 9x² + 3xy Local maxima are none Local minima are none Saddle points are none

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Find all local maxima, local minima, and saddle points of each function. Enter each point as an ordered triple, e.g., "(1,5,10)". If there is more than one point of a given type, enter a comma-
separated list of ordered triples. If there are no points of a given type, enter "none".
f(r, y) = 8x2
4гу + 3у? — За + 3у — 7
Local maxima are
none
Local minima are
none
Saddle points are
none
f(x,y)
9x2 + 3ry
Local maxima are
none
Local minima are none
Saddle points are none
Transcribed Image Text:Find all local maxima, local minima, and saddle points of each function. Enter each point as an ordered triple, e.g., "(1,5,10)". If there is more than one point of a given type, enter a comma- separated list of ordered triples. If there are no points of a given type, enter "none". f(r, y) = 8x2 4гу + 3у? — За + 3у — 7 Local maxima are none Local minima are none Saddle points are none f(x,y) 9x2 + 3ry Local maxima are none Local minima are none Saddle points are none
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