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Mathematics
Mathematics
Problem
Given that
f
′
(
x
)
>
0
f'(x)>0
f
′
(
x
)
>
0
for
0
<
x
<
2
0<x<2
0
<
x
<
2
and
f
′
(
x
)
<
0
f'(x)<0
f
′
(
x
)
<
0
for
2
<
x
<
5
2<x<5
2
<
x
<
5
, state whether
f
f
f
is strictly increasing on
(
0
,
5
)
(0,5)
(
0
,
5
)
. Give a brief reason.
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