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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
∣
2
x
−
5
∣
f(x)=|2x-5|
f
(
x
)
=
∣2
x
−
5∣
. Find
f
(
1
)
f(1)
f
(
1
)
. a)
4
4
4
b)
3
3
3
c)
−
3
-3
−
3
d)
7
7
7
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