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where is everyone?!? help please! =(
find the extrema: 4x^313x^2+4x+1
max and min:
[1,4]
[0,2]
 one year ago
 one year ago
where is everyone?!? help please! =( find the extrema: 4x^313x^2+4x+1 max and min: [1,4] [0,2]
 one year ago
 one year ago

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mathcalculusBest ResponseYou've already chosen the best response.1
i put the answer: [1,4] max=65 min= 11 and for [0,2] max= 196 min= 11 what's wrong with the answer?
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
i found the derivative..12x^226x+4
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
then i factored: and got the critical points: x=1/6 and x=2
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
then i evaluated f at each critical number
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
and then evaluated f at each endpoints
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
left point: critical points: Right point: f(1) 4 f(1/6)= 1.32407 f(4)= 65 f(0)=1 f(2)= 11 f(5)= 196
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
now can anyone tell me what i did wrong with the answer? [1,4] max=65 min= 11 [0,2] max= 196 min= 11
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
sorry everyone.... hehe
 one year ago

hartnnBest ResponseYou've already chosen the best response.0
so for for [0,2] max= 1min= 11
 one year ago

dan815Best ResponseYou've already chosen the best response.0
i see nothing else wrong besides f(5)
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
dw:1363331661154:dw
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
dw:1363331917359:dw
 one year ago

dumbcowBest ResponseYou've already chosen the best response.0
hmm, critical points are x=1/6, 2 so local max/min are f(1/6) and f(2) max = f(1/6) = 1.3 min = f(2) = 11
 one year ago

dan815Best ResponseYou've already chosen the best response.0
u got one of those stupid owls
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
dw:1363332131809:dw
 one year ago

dan815Best ResponseYou've already chosen the best response.0
thankyou for becoming my fan :D
 one year ago

dan815Best ResponseYou've already chosen the best response.0
as a gift id like to tell you the name of God is JESUS treasure it
 one year ago

mathcalculusBest ResponseYou've already chosen the best response.1
yup, i appreciate all the help.
 one year ago
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