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Mathematics
Problem
If
f
(
x
)
=
2
x
+
3
f(x)=2x+3
f
(
x
)
=
2
x
+
3
, find the value of
f
(
4
)
f(4)
f
(
4
)
. a) 8 b) 14 c) 11 d) 5
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