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Mathematics
Mathematics
Problem
The domain of a function
f
f
f
is
(
−
∞
,
4
]
(-\infty,4]
(
−
∞
,
4
]
and that of another function
g
g
g
is
[
1
,
8
)
[1,8)
[
1
,
8
)
. What is the domain of the difference function
(
f
−
g
)
(
x
)
(f-g)(x)
(
f
−
g
)
(
x
)
? a)
(
−
∞
,
4
]
(-\infty,4]
(
−
∞
,
4
]
b)
[
1
,
4
]
[1,4]
[
1
,
4
]
c)
(
−
∞
,
8
)
(-\infty,8)
(
−
∞
,
8
)
d)
(
1
,
4
)
(1,4)
(
1
,
4
)
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