Determine the intervals for which the function is decreasing.
1
2
3
4
5
6
7
8
9
10
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
1
2
3
4
5
6
7
8
9
10
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
(
−
∞
,
2.05
)
U
(
0
,
∞
)
\displaystyle {\left(-\infty,{2.05}\right)}{U}{\left({0},\infty\right)}
(
−
∞
,
2.05
)
U
(
0
,
∞
)
(
0.32
,
3.78
)
\displaystyle {\left({0.32},{3.78}\right)}
(
0.32
,
3.78
)
(
−
0.83
,
0.83
)
\displaystyle {\left(-{0.83},{0.83}\right)}
(
−
0.83
,
0.83
)
(
−
∞
,
0.32
)
U
(
3.78
,
∞
)
\displaystyle {\left(-\infty,{0.32}\right)}{U}{\left({3.78},\infty\right)}
(
−
∞
,
0.32
)
U
(
3.78
,
∞
)
(
−
∞
,
−
0.83
)
U
(
0.83
,
∞
)
\displaystyle {\left(-\infty,-{0.83}\right)}{U}{\left({0.83},\infty\right)}
(
−
∞
,
−
0.83
)
U
(
0.83
,
∞
)
(
2.05
,
0
)
\displaystyle {\left({2.05},{0}\right)}
(
2.05
,
0
)
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