Use a CAS to generate a contour plot of f x , y = 2 y 2 x − y x 2 + 4 x y for − 5 ≤ x ≤ 5 and − 5 ≤ y ≤ 5 , and use the plot to ap-proximate the locations of all relative extrema and saddle points in the region. Check your answer using calculus, and identify the extrema as relative maxima or minima .
Use a CAS to generate a contour plot of f x , y = 2 y 2 x − y x 2 + 4 x y for − 5 ≤ x ≤ 5 and − 5 ≤ y ≤ 5 , and use the plot to ap-proximate the locations of all relative extrema and saddle points in the region. Check your answer using calculus, and identify the extrema as relative maxima or minima .
Solution Summary: The author explains how to graph the function f(x,y) with the following commands in Maple.
f
x
,
y
=
2
y
2
x
−
y
x
2
+
4
x
y
for
−
5
≤
x
≤
5
and
−
5
≤
y
≤
5
,
and use the plot to ap-proximate the locations of all relative extrema and saddle points in the region. Check your answer using calculus, and identify the extrema as relative maxima or minima.
Formula Formula A function f(x) attains a local maximum at x=a , if there exists a neighborhood (a−δ,a+δ) of a such that, f(x)<f(a), ∀ x∈(a−δ,a+δ),x≠a f(x)−f(a)<0, ∀ x∈(a−δ,a+δ),x≠a In such case, f(a) attains a local maximum value f(x) at x=a .
In the xy-plane, the graphs of the linear
function and the exponential function E
both pass through the points (0,2) and (1,6)
The function f is given by
f(x) = L(x) - E(x). What is the maximum
value of f?
A
0.007
B
0.172
C
0.540
D 1.002
n
3
5
ст
7
ап
85
95
105
The table gives values of an arithmetic
sequence an for selected values of n. Which
of the following linear functions is
αρ
constructed from the initial value an (with
n = 0) and common difference of the
sequence?
A
f(x) = 70+5x
B
f(x) = 70+10x
C
f(x) = 75+5x
D
f(x) = 75+10x
3. Submit answer Practice similar
Calculate the integral approximation Se for
So
dz.
L-de
4
1.
Submit answer
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