David and Sandra are skating on a frictionless pond in the wind. David skates on the inside, going along a circle of radius 2 in a counterclockwise direction. Sandia skates once around a circle of radius 3, also in the counterclockwise direction. Suppose the force of the wind at point (x, y ) (x, y ) (x, y ) is F ( x , y ) = ( x 2 y + 10 y ) i + ( x 3 + 2 x y 2 ) j . Use Green’s theorem to determine who does more work.
David and Sandra are skating on a frictionless pond in the wind. David skates on the inside, going along a circle of radius 2 in a counterclockwise direction. Sandia skates once around a circle of radius 3, also in the counterclockwise direction. Suppose the force of the wind at point (x, y ) (x, y ) (x, y ) is F ( x , y ) = ( x 2 y + 10 y ) i + ( x 3 + 2 x y 2 ) j . Use Green’s theorem to determine who does more work.
David and Sandra are skating on a frictionless pond in the wind. David skates on the inside, going along a circle of radius 2 in a counterclockwise direction. Sandia skates once around a circle of radius 3, also in the counterclockwise direction. Suppose the force of the wind at point (x, y) (x, y) (x, y) is
F
(
x
,
y
)
=
(
x
2
y
+
10
y
)
i
+
(
x
3
+
2
x
y
2
)
j
.
Use Green’s theorem to determine who does more work.
3. Compute the profit corresponding to 12,000 units.
5. A rectangular box is to have a square base and a volume of 20 ft3. The material for the base costs $0.30 per ft2, the material for
the sides cost $0.10 per ft2, and the material for the top costs $0.20 per ft2. Letting a denote the length of one side of the base,
find a function in the variable x giving the cost of constructing the box.
6. Given the following graph f(x).
8. On what intervals, each function continuous?
(a) f(x) = 3x11 + 4x²+1
3x²+5x-1
(b) g(x) =
x²-4
X,
x < 1,
QTs the function f(x)
continuous at = 1? Use the definition of continuity to justify
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Area Between The Curve Problem No 1 - Applications Of Definite Integration - Diploma Maths II; Author: Ekeeda;https://www.youtube.com/watch?v=q3ZU0GnGaxA;License: Standard YouTube License, CC-BY