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Mathematics
Mathematics
Problem
Let
h
(
x
)
=
1
x
2
−
9
h(x)=\dfrac{1}{x^{2}-9}
h
(
x
)
=
x
2
−
9
1
. Determine all
x
x
x
-values at which
h
h
h
is discontinuous and classify each discontinuity.
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