anonymous
  • anonymous
Describe the end behavior of the graph for each function. 1) f(x)=x^3+2x^2-5x+1 2) g(x)=-2x^3-8x^2+18x+72
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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dessyj1
  • dessyj1
Hi.
dessyj1
  • dessyj1
Do you remember the correlation between the highest degree of a polynomial and its end behaviour?
anonymous
  • anonymous
Yep! i'm just not sure how to properly describe it

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anonymous
  • anonymous
would i just say down on the left and up on the right? is that correct for 1?
dessyj1
  • dessyj1
Yes
anonymous
  • anonymous
could i use the infinity signs or would that not work for this??
dessyj1
  • dessyj1
Or the graph is going negative when going to the left, and positive when going to the right.
dessyj1
  • dessyj1
You can use infinity signs. Infinity signs would actually be more accurate.
anonymous
  • anonymous
how would i write that?
dessyj1
  • dessyj1
That really depends.
dessyj1
  • dessyj1
@ganeshie8
dessyj1
  • dessyj1
I would use limits
anonymous
  • anonymous
I don't get it :/
dessyj1
  • dessyj1
I will show you what i mean.
dessyj1
  • dessyj1
\[\lim_{x \rightarrow -\infty} = -\infty\]
dessyj1
  • dessyj1
\[\lim_{x \rightarrow \infty} = \infty \]
dessyj1
  • dessyj1
It is a calculus concept.
dessyj1
  • dessyj1
You would use both of them.
anonymous
  • anonymous
okay i think i get it! thank you so much :)
dessyj1
  • dessyj1
No problem.

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