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Mathematics
Mathematics
Problem
Determine the range of the function
h
(
x
)
=
1
x
2
+
1
h(x)=\dfrac{1}{x^{2}+1}
h
(
x
)
=
x
2
+
1
1
, where
x
∈
R
x\in\mathbb R
x
∈
R
. a)
[
0
,
1
)
[0,1)
[
0
,
1
)
b)
[
1
,
∞
)
[1,\infty)
[
1
,
∞
)
c)
(
0
,
1
]
(0,1]
(
0
,
1
]
d)
(
0
,
1
)
(0,1)
(
0
,
1
)
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