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Mathematics
Problem
Let $g(x)=\begin{cases} \dfrac{x^{2}-4}{x-2},& x\neq 2, k,& x=2. \end{cases}$ Find the value of
k
k
k
that makes
g
g
g
continuous at
x
=
2
x=2
x
=
2
. a)
0
0
0
b)
2
2
2
c)
4
4
4
d)
−
4
-4
−
4
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