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jmallis
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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
 2 years ago
 2 years ago
jmallis Group Title
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
 2 years ago
 2 years ago

This Question is Closed

TuringTest Group TitleBest ResponseYou've already chosen the best response.0
Is this calculus?
 2 years ago

jmallis Group TitleBest ResponseYou've already chosen the best response.0
College Algebra
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.1
Find f'(x)
 2 years ago

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

jmallis Group TitleBest ResponseYou've already chosen the best response.0
So what do I do?
 2 years ago

TuringTest Group TitleBest ResponseYou've already chosen the best response.0
it 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...
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.1
Graph it
 2 years ago

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

jmallis Group TitleBest ResponseYou've already chosen the best response.0
And the calculus way?
 2 years ago

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

TuringTest Group TitleBest ResponseYou've already chosen the best response.0
...in the given interval
 2 years ago

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

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

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

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

jmallis Group TitleBest ResponseYou've already chosen the best response.0
I dont have one
 2 years ago

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

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

jmallis Group TitleBest ResponseYou've already chosen the best response.0
laptop blocked it
 2 years ago

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

TuringTest Group TitleBest ResponseYou've already chosen the best response.0
that 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
 2 years ago

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

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

jmallis Group TitleBest ResponseYou've already chosen the best response.0
It was (0.05, 1.03)
 2 years ago

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

TuringTest Group TitleBest ResponseYou've already chosen the best response.0
wolfram disagrees o_O
 2 years ago

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

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

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

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