anonymous
  • anonymous
Describe the end behavior of the graph of the polynomial function: f(x) = 2x^(5) - 7x^(2) - 4x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Mertsj
  • Mertsj
if x is a "big" negative number then x^5 is a "huge" negative number so the graph would be in the 3rd quadrant. Similarly if x is far to the right x^5 is a huge positive number so the graph is in the first quadrant. So we say that the graph enters in the third and leaves in the first.
Mertsj
  • Mertsj
|dw:1326768319574:dw|
anonymous
  • anonymous
Thank you! What would those points be?

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Mertsj
  • Mertsj
I don't know without calculating them and it doesn't matter. The question asks for the end behavior and it is as shown.
anonymous
  • anonymous
Thank you very much!
anonymous
  • anonymous
Can I ask one more question? It is the same kind of question.
anonymous
  • anonymous
x=0 then y=0 the graph is wrong
anonymous
  • anonymous
what should it look like
anonymous
  • anonymous
use wolfram http://www.wolframalpha.com/input/?i=plot+2x^5+-+7x^2-4x
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=2x^5+-+7x^2-4x+%3D+0 it has 3 real and 2 complex roots
anonymous
  • anonymous
thank you

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