For the following exercises, determine whether the statements are true or false . 269. If surface S is given by { ( x , y , z ) : 0 ≤ x ≤ 1 , 0 ≤ y ≤ 1 , z = 10 } , then ∬ S f ( x , y , z ) d S = ∫ 0 1 ∫ 0 1 f ( x , y , 10 ) d x d y .
For the following exercises, determine whether the statements are true or false . 269. If surface S is given by { ( x , y , z ) : 0 ≤ x ≤ 1 , 0 ≤ y ≤ 1 , z = 10 } , then ∬ S f ( x , y , z ) d S = ∫ 0 1 ∫ 0 1 f ( x , y , 10 ) d x d y .
For the following exercises, determine whether the statements are true or false.
269. If surface
S
is given by
{
(
x
,
y
,
z
)
:
0
≤
x
≤
1
,
0
≤
y
≤
1
,
z
=
10
}
, then
∬
S
f
(
x
,
y
,
z
)
d
S
=
∫
0
1
∫
0
1
f
(
x
,
y
,
10
)
d
x
d
y
.
Evaluate
-
-
[[ 4.ry² – 5a + 5y³ dA over the rectangle R = {(x, y) : -1 ≤ x ≤ 2 and − 1 ≤ y ≤ 1}.
D
Evaluate
F-ds,
where
5.
F(x, y, z) = (3y, –2x, –),
%3D
and S is the surface that is composed of the part of the surface
z = 2x? + 3y2 + 1
lying inside
x² + y² = 1.
4
3
8
For the surface given by
2 =
= f(x, y) = x² - 6x² + y³ - 3y²
which of the following is true.
Select one:
a.
b. When x > 1 or x 1
f(x, y) is neither convex nor concave.
When x > 1 or x 1 f(x, y)
is convex.
When -1 1 or x 1
f(x, y) is convex.
When x > 1 or x 1 f(x, y)
is neither convex nor concave.
When -1 1 or x 1
f(x, y) is neither convex nor concave.
When a > 1 or x 1 f(x, y)
is concave.
When −1 1 or x 1
f(x, y) is concave.
When x > 1 or x 1 f(x, y)
is neither convex nor concave.
When -1 < x < 1 and y < 1 f(x, y)
is convex.
O
O
O
O
O
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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