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onegirl
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Find all critical numbers by hand. If available, use graphing technology to determine whether the critical number represents a local maximum, local minimum, or neither.
f(x) = x^4  3x^3 + 2
 one year ago
 one year ago
onegirl Group Title
Find all critical numbers by hand. If available, use graphing technology to determine whether the critical number represents a local maximum, local minimum, or neither. f(x) = x^4  3x^3 + 2
 one year ago
 one year ago

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onegirl Group TitleBest ResponseYou've already chosen the best response.0
@rajathsbhat can u help?
 one year ago

rajathsbhat Group TitleBest ResponseYou've already chosen the best response.0
not too sure about this :\
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
@electrokid can u help?
 one year ago

tomatooooo Group TitleBest ResponseYou've already chosen the best response.0
are you allowed to use calculus for this? or algebra 2?
 one year ago

modphysnoob Group TitleBest ResponseYou've already chosen the best response.1
take derivative
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
okay the derivative is x^2(4x  9)
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
or 4x^3  9x^2
 one year ago

modphysnoob Group TitleBest ResponseYou've already chosen the best response.1
set that equal to 0 and solve for x
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
i get 0 and 9/4
 one year ago

modphysnoob Group TitleBest ResponseYou've already chosen the best response.1
that's your criticle number
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
okay so thats it?
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
how do i determine whether it is local maximum, minimum or either
 one year ago

modphysnoob Group TitleBest ResponseYou've already chosen the best response.1
1)Plug in Crit point into F''(t); positive number mean min, negative number mean max
 one year ago

onegirl Group TitleBest ResponseYou've already chosen the best response.0
okay thanks
 one year ago
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