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Problem
Problem
The graph of the function
y
=
f
(
x
)
y = f(x)
y
=
f
(
x
)
is symmetrical about the line
x
=
2
x = 2
x
=
2
, then a.
f
(
x
)
=
−
f
(
−
x
)
f(x) = -f(-x)
f
(
x
)
=
−
f
(
−
x
)
b.
f
(
2
+
x
)
=
f
(
2
−
x
)
f(2+x) = f(2-x)
f
(
2
+
x
)
=
f
(
2
−
x
)
c.
f
(
x
)
=
f
(
−
x
)
f(x) = f(-x)
f
(
x
)
=
f
(
−
x
)
d.
f
(
x
+
2
)
=
f
(
x
−
2
)
f(x+2) = f(x-2)
f
(
x
+
2
)
=
f
(
x
−
2
)
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