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Mathematics
Mathematics
Problem
For
x
∈
[
1
,
7
]
x\in[1,7]
x
∈
[
1
,
7
]
, a function is defined by
f
(
x
)
=
∣
x
−
4
∣
+
2
f(x)=|x-4|+2
f
(
x
)
=
∣
x
−
4∣
+
2
. Which of the following describes the range of
f
f
f
? a)
[
3
,
5
]
[3,5]
[
3
,
5
]
b)
[
2
,
5
]
[2,5]
[
2
,
5
]
c)
[
2
,
∞
)
[2,\infty)
[
2
,
∞
)
d)
[
0
,
5
]
[0,5]
[
0
,
5
]
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