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KEAM 2012 Math Paper
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© examsnet.com
Question : 25
Total: 120
If
f
(
x
)
=
x
+
1
and
g
(
x
)
=
2
x
,
then
f
{
g
(
x
)
}
is equal to
2
(
x
+
1
)
2
x
(
x
+
1
)
x
2
x
+
1
2
x
2
+
1
Validate
Solution:
Given
f
(
x
)
=
x
+
1
and
g
(
x
)
=
2
x
∴
f
{
g
(
x
)
}
=
f
(
2
x
)
=
2
x
+
1
© examsnet.com
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