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Functions
easy
0:00.0
If
f
(
x
)
=
x
+
5
f(x) = x + 5
f
(
x
)
=
x
+
5
, what is
f
(
f
(
1
)
)
f(f(1))
f
(
f
(
1
))
?
A
7
7
7
B
11
11
11
C
12
12
12
D
6
6
6
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