Recall that when entering more than one interval a "U" should be used for union. For example,
[-2,1]\cup [3,5]
means all of the points in
-2,1
and all of the points in
3,5
.
-6+
Find the intervals where
f(x)
is decreasing. Find the intervals where
f(x)
is increasing. The local minimum(s) of
f(x)
occurs at
x=
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