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Mathematics
Problem
For
f
(
x
)
=
e
2
x
−
4
e
x
f(x)=e^{2x}-4e^{x}
f
(
x
)
=
e
2
x
−
4
e
x
, determine the open intervals of increase and decrease of
f
f
f
. Express your answer in interval notation.
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