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Mathematics
Problem
A function
f
f
f
is defined by
f
(
x
)
=
ln
(
x
−
3
)
f(x)=\ln(x-3)
f
(
x
)
=
ln
(
x
−
3
)
. On which of the following intervals is
f
f
f
continuous? a)
(
−
∞
,
3
)
(-\infty,3)
(
−
∞
,
3
)
b)
(
0
,
∞
)
(0,\infty)
(
0
,
∞
)
c)
(
3
,
∞
)
(3,\infty)
(
3
,
∞
)
d)
[
3
,
∞
)
[3,\infty)
[
3
,
∞
)
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