anonymous
  • anonymous
The value of 5/(9x^2 + 6x + 11) is maximum when x=?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
9 x^2 + 6x + 11 should be minimum
anonymous
  • anonymous
take derivative
anonymous
  • anonymous
I dont think so

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anonymous
  • anonymous
You should take derivative first..
anonymous
  • anonymous
or complete the squre for 9 x^2 + 6x + 11
anonymous
  • anonymous
18 x + 6
anonymous
  • anonymous
well so x=-2 will minimize 9 x^2 + 6x + 11 and consequencly will maximize 5/9 x^2 + 6x + 11
anonymous
  • anonymous
hw u got x = -2
anonymous
  • anonymous
The answer should be x = -1/3
anonymous
  • anonymous
sorry 18 x + 6=0 then x=-1/3
anonymous
  • anonymous
got it thxxx
anonymous
  • anonymous
Why was I sent this in a message? xD
anonymous
  • anonymous
A plot of 5/(9x^2 + 6x + 11) and it's derivative, in blue and red respectively, is attached.
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