Let σ be the closed surface consisting of the portion of the paraboloid z = x 2 + y 2 for which 0 ≤ z ≤ 1 and capped by the disk x 2 + y 2 ≤ 1 in the plane z = 1. Find the flux of the vector field F ( x , y , z ) = z j − y k in the outward direction across σ .
Let σ be the closed surface consisting of the portion of the paraboloid z = x 2 + y 2 for which 0 ≤ z ≤ 1 and capped by the disk x 2 + y 2 ≤ 1 in the plane z = 1. Find the flux of the vector field F ( x , y , z ) = z j − y k in the outward direction across σ .
Let
σ
be the closed surface consisting of the portion of the paraboloid
z
=
x
2
+
y
2
for which
0
≤
z
≤
1
and capped by the disk
x
2
+
y
2
≤
1
in
the plane
z
=
1.
Find the flux of the vector field
F
(
x
,
y
,
z
)
=
z
j
−
y
k
in the outward direction across
σ
.
Use Euler's method to numerically integrate
dy
dx
-2x+12x² - 20x +8.5
from x=0 to x=4 with a step size of 0.5. The initial condition at x=0 is y=1. Recall
that the exact solution is given by y = -0.5x+4x³- 10x² + 8.5x+1
Find an equation of the line tangent to the graph of f(x) = (5x-9)(x+4) at (2,6).
Find the point on the graph of the given function at which the slope of the tangent line is the given slope.
2
f(x)=8x²+4x-7; slope of the tangent line = -3
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