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Mathematics
Mathematics
Problem
The magnitude of the electric field at a distance
r
r
r
meters from the center of a charged sphere is modeled for
r
>
2
r>2
r
>
2
by
E
(
r
)
=
12
(
r
−
2
)
2
E(r)=\dfrac{12}{(r-2)^{2}}
E
(
r
)
=
(
r
−
2
)
2
12
newtons per coulomb. Which equation gives the vertical asymptote of the graph of
E
E
E
? a)
r
=
0
r=0
r
=
0
b)
r
=
4
r=4
r
=
4
c)
r
=
2
r=2
r
=
2
d)
E
=
0
E=0
E
=
0
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