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jmallis
 3 years ago
The graph of the function has more than one turning point. Use the graphing calculator to find the coordinates of the turning point that lies in the given interval.
f(x)= 7x^3 9x^2 x+1, [1, 10] The coordinates of the turning point are
jmallis
 3 years ago
The graph of the function has more than one turning point. Use the graphing calculator to find the coordinates of the turning point that lies in the given interval. f(x)= 7x^3 9x^2 x+1, [1, 10] The coordinates of the turning point are

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TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0The asker said algebra, so presumably that means no calculus allowed.

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0it would certainly be a much easier calculus problem not sure I know a method for this using only algebra, I'll have to think on it...

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0that's all I can think of too

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0find x=a such that f'(a)=0

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0...in the given interval

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1http://www.wolframalpha.com/input/?i=plot+y%3D7x^3+9x^2+x%2B1

jmallis
 3 years ago
Best ResponseYou've already chosen the best response.0ok so what would the coordinates of the turning point?

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1It says "Use the graphing calculator to find the coordinates of the turning point that lies in the given interval"

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0wow I managed to not even read the post :P thanks cinar

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0the website wolfram alpha is a pretty good one http://www.wolframalpha.com/

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0that site serves as a graphing calculator

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1http://answers.yahoo.com/question/index?qid=20091030113220AAieoZy

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0that method again requires calculus your three options are to buy the graphing calculator, get wolfram working on your laptop, or learn calculus besides that I have no ideas

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1I guess you have to use derivative

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1they are roughly (0.9,2) (0.1,1) but exactly

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1http://www.wolframalpha.com/input/?i=max+y%3D7x^3+9x^2+x%2B1

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0wolfram disagrees o_O

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1http://www.wolframalpha.com/input/?i=min+y%3D7x^3+9x^2+x%2B1

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1that's right, I just used my eyes (:

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1(0.05,1.03) and (0.91,2.09) these are your answer..

cinar
 3 years ago
Best ResponseYou've already chosen the best response.1I made typo for this they are roughly (0.9,2) (0.1,1) but exactly
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