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Mathematics
Mathematics
Problem
Identify all subintervals of
[
−
4
,
4
]
[-4,4]
[
−
4
,
4
]
on which
p
(
x
)
=
x
3
−
9
x
p(x)=x^{3}-9x
p
(
x
)
=
x
3
−
9
x
is above the
x
x
x
-axis.
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