Mathematics, 07.07.2019 03:30 taylordalton93
What best approximates the intervals on which the graph of the function f(x)=x^4+2x^3-5x^2-6x is decreasing?
Answers: 1
is decreasing on ![(-\infty ,-2.303]\cup [-0.5,1.303]](/tpl/images/0060/2689/fe162.png)
.
and find the value of x.
is the root of the equation and 
is factor of the equation.
![(-\infty ,-2.303]\cup[-2.303,-0.5]\cup [-0.5,1.303]\cup [1.303,\infty )](/tpl/images/0060/2689/a57f1.png)
.
, then the function increase on that interval.
, then the function decrease on that interval.![(-\infty ,-2.303]](/tpl/images/0060/2689/8152b.png)
. and ![[-0.5,1.303]](/tpl/images/0060/2689/d9132.png)
, therefore function 
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What best approximates the intervals on which the graph of the function f(x)=x^4+2x^3-5x^2-6x is dec...
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