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Ephilo
Group Title
help please ?
find the critical numbers of f,describe the open intervals on which f is increasing or decreasing locate all relative extrema
 one year ago
 one year ago
Ephilo Group Title
help please ? find the critical numbers of f,describe the open intervals on which f is increasing or decreasing locate all relative extrema
 one year ago
 one year ago

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Best_Mathematician Group TitleBest ResponseYou've already chosen the best response.0
calculus...? whats the equation
 one year ago

Ephilo Group TitleBest ResponseYou've already chosen the best response.0
dw:1363827249708:dw
 one year ago

Best_Mathematician Group TitleBest ResponseYou've already chosen the best response.0
critical numbers are when derivative equals zero....right?
 one year ago

Ephilo Group TitleBest ResponseYou've already chosen the best response.0
@Best_Mathematician yes
 one year ago

Best_Mathematician Group TitleBest ResponseYou've already chosen the best response.0
so the derivative is dw:1363827381385:dw
 one year ago

Best_Mathematician Group TitleBest ResponseYou've already chosen the best response.0
set it equal to zero and find value of x
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
not to butt in, but you certainly don't need calculus for this it is a quadratic, therefore a parabola the leading coefficient is positive, so it open up the first coordinate of the vertex is \(4\) so it decrease on \((\infty, 4)\) and increases on \((4,\infty)\)
 one year ago

Lena772 Group TitleBest ResponseYou've already chosen the best response.0
@satellite73 is there any relative extrema here?
 6 months ago
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