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Yahoo!Best ResponseYou've already chosen the best response.0
9 x^2 + 6x + 11 should be minimum
 one year ago

waterineyesBest ResponseYou've already chosen the best response.0
You should take derivative first..
 one year ago

mukushlaBest ResponseYou've already chosen the best response.6
or complete the squre for 9 x^2 + 6x + 11
 one year ago

mukushlaBest ResponseYou've already chosen the best response.6
well so x=2 will minimize 9 x^2 + 6x + 11 and consequencly will maximize 5/9 x^2 + 6x + 11
 one year ago

Yahoo!Best ResponseYou've already chosen the best response.0
The answer should be x = 1/3
 one year ago

mukushlaBest ResponseYou've already chosen the best response.6
sorry 18 x + 6=0 then x=1/3
 one year ago

Pac1f1cIslanderBest ResponseYou've already chosen the best response.0
Why was I sent this in a message? xD
 one year ago

robtobeyBest ResponseYou've already chosen the best response.0
A plot of 5/(9x^2 + 6x + 11) and it's derivative, in blue and red respectively, is attached.
 one year ago
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