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Mathematics
Mathematics
Problem
Find the range of the function
h
(
x
)
=
x
2
−
4
x
2
+
4
h(x)=\dfrac{x^{2}-4}{x^{2}+4}
h
(
x
)
=
x
2
+
4
x
2
−
4
, where
x
x
x
is any real number.
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