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Mathematics
Mathematics
Problem
State the relationship between
lim
x
→
a
f
(
x
)
\displaystyle\lim_{x\to a}f(x)
x
→
a
lim
f
(
x
)
and
f
(
a
)
f(a)
f
(
a
)
that must hold for a function
f
f
f
to be continuous at
x
=
a
x=a
x
=
a
.
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