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senituliii
31.10.2019 •
Mathematics
On which interval is the function increasing?
a (-∞-1)u(0,1)
b (-1,0)u(1,∞)
∞,-1)u(1,-∞)
,-1)u(1,∞)
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Ответ:
b.![(-1,0)\cup (1,\infty)](/tpl/images/0354/6870/47b2d.png)
Step-by-step explanation:
The graph can be divided into 4 regions.
Region 1 is for![x\in (-\infty,-1)](/tpl/images/0354/6870/4cf21.png)
Region 2 is for![x\in (-1,0)](/tpl/images/0354/6870/33f74.png)
Region 3 is for![x\in (0,1)](/tpl/images/0354/6870/1b1e5.png)
Region 4 is for![x\in (1,\infty)](/tpl/images/0354/6870/44515.png)
So, for the region 1, the values of
goes on decreasing with increasing
. Therefore, the function is decreasing in the interval
.
Now, for the region 2, the values of
increases with increasing
. So, the function is increasing in the interval
.
For the region 3, the the values of
goes on decreasing with increasing
. Therefore, the function is decreasing in the interval
.
Now, for the region 4, the values of
increases with increasing
. So, the function is increasing in the interval
.
Therefore, regions 2 and 4 are the regions when the function is increasing.
Hence, the correct option is b.![(-1,0)\cup (1,\infty)](/tpl/images/0354/6870/47b2d.png)
Ответ:
See below
Step-by-step explanation:
8
3 in one times two plus two.
Please mark brainliest!!