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Mathematics
Mathematics
Problem
Suppose that
f
f
f
is an even, periodic function with period 2, and that
f
(
x
)
=
x
f(x) = x
f
(
x
)
=
x
,
∀
x
∈
[
0
,
1
]
\forall x \in [0,1]
∀
x
∈
[
0
,
1
]
. Then, the value of
f
(
3.14
)
f(3.14)
f
(
3.14
)
is ---
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