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If , then the value of…
MATHEMATICS · Single correct · AoPS · Mathematics · Functions · Functions
Problem
If
f
(
x
)
=
3
x
+
2
f(x)=3x+2
f
(
x
)
=
3
x
+
2
, then the value of
f
(
4
)
f(4)
f
(
4
)
is (a) 18 (b) 14 (c) 20 (d) 12
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