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Problem
Problem
Let
f
(
x
)
f(x)
f
(
x
)
be a function whose domain is
[
−
5
,
7
]
[-5, 7]
[
−
5
,
7
]
. Let
g
(
x
)
=
∣
2
x
+
5
∣
g(x)=|2x+5|
g
(
x
)
=
∣2
x
+
5∣
, then domain of
(
f
∘
g
)
(
x
)
(f \circ g)(x)
(
f
∘
g
)
(
x
)
is (a)
[
−
4
,
1
]
[-4, 1]
[
−
4
,
1
]
(b)
[
−
5
,
1
]
[-5, 1]
[
−
5
,
1
]
(c)
[
−
6
,
1
]
[-6, 1]
[
−
6
,
1
]
(d)
[
−
5
,
7
]
[-5, 7]
[
−
5
,
7
]
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