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Mathematics
Problem
For the functions
p
(
x
)
=
x
+
2
,
q
(
x
)
=
x
2
−
4
x
+
3
p(x)=x+2,\; q(x)=x^{2}-4x+3
p
(
x
)
=
x
+
2
,
q
(
x
)
=
x
2
−
4
x
+
3
and
r
(
x
)
=
2
x
r(x)=2^{x}
r
(
x
)
=
2
x
, arrange
p
(
6
)
,
q
(
6
)
p(6), q(6)
p
(
6
)
,
q
(
6
)
and
r
(
6
)
r(6)
r
(
6
)
in ascending order without full calculation. Give a short justification for your ordering.
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