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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
3
x
+
2
f(x)=\dfrac{3}{x+2}
f
(
x
)
=
x
+
2
3
with domain
x
>
−
2
x>-2
x
>
−
2
. The range of
f
f
f
is a)
R
∖
{
0
}
\mathbb R\setminus\{0\}
R
∖
{
0
}
b)
(
0
,
∞
)
(0,\infty)
(
0
,
∞
)
c)
[
0
,
∞
)
[0,\infty)
[
0
,
∞
)
d)
(
0
,
3
2
]
(0,\dfrac{3}{2}]
(
0
,
2
3
]
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