a) Let f(x, y) = xª + y² – y – 4x². Find and classify all the critical points (whether they are points of local maximum, local minimum, saddle points or neither of those).

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter14: Discrete Dynamical Systems
Section14.3: Determining Stability
Problem 13E: Repeat the instruction of Exercise 11 for the function. f(x)=x3+x For part d, use i. a1=0.1 ii...
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a) Let f(x, y) = x4 +y? – y – 4x². Find and classify all the critical points (whether they are points of local
maximum, local minimum, saddle points or neither of those).
c) Do the same for the function f(x, y) = xy – y°. Try to classify even the critical points where the
second derivative test does not apply.
Transcribed Image Text:a) Let f(x, y) = x4 +y? – y – 4x². Find and classify all the critical points (whether they are points of local maximum, local minimum, saddle points or neither of those). c) Do the same for the function f(x, y) = xy – y°. Try to classify even the critical points where the second derivative test does not apply.
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