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Mathematics
Problem
The derivative
f
′
f'
f
′
of a function
f
f
f
has a local maximum at
x
=
1
x=1
x
=
1
and a local minimum at
x
=
3
x=3
x
=
3
. Assume
f
′
f'
f
′
is differentiable everywhere. List all
x
x
x
-values where
f
f
f
could have points of inflection.
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