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Postal Coaching
2016 Postal Coaching
4
An FE like are-you-even-serious
An FE like are-you-even-serious
Source: India Postal Set 2 P 4 2016
January 18, 2017
function
functional equation
algebra
Problem Statement
Find a real function
f
:
[
0
,
∞
)
→
R
f : [0,\infty)\to \mathbb R
f
:
[
0
,
∞
)
→
R
such that
f
(
2
x
+
1
)
=
3
f
(
x
)
+
5
f(2x+1) = 3f(x)+5
f
(
2
x
+
1
)
=
3
f
(
x
)
+
5
, for all
x
x
x
in
[
0
,
∞
)
[0,\infty)
[
0
,
∞
)
.
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