millsey18 millsey18
  • 22-10-2014
  • Mathematics
contestada

what is the stationary point of y=9x+6x^2-4x^3.need help asap

Respuesta :

konrad509
konrad509 konrad509
  • 22-10-2014
[tex]y=9x+6x^2-4x^3\\ y'=9+12x-12x^2\\ 9+12x-12x^2=0\\ -12x^2+12x+9=0\\ 4x^2-4x-3=0\\ 4x^2-4x+1-4=0\\ (2x-1)^2=4\\ 2x-1=2 \vee 2x-1=-2\\ 2x=3 \vee 2x=-1\\ x=\frac{3}{2} \vee x=-\frac{1}{2}[/tex]
Answer Link

Otras preguntas

A consequence of this new Siglo de Oro for Spain is the growth of the Spanish Renaissance culture; describe its two most famous works of art.
Malaria and AIDS are common in many African countries in part because governments believe that these diseases will disappear on their own. O avoid helping fight
find the value of xguys please give only right answer.....ᕦ⊙෴⊙ᕤ​
An overstatement of inventory account on the financial statements means that the __________ account on the financial statements is understated. g
group viia elements are very active non metals give reason​
geometry:( will give brainist to correct answer:)
All mountains below 4000 m are underground in antarctica. Can you explain why?​
if the instantaneous current in the circuit is giveen by I=3 sin theta amperes, the rms value of the current will be
The Ghost of Christmas Present tookScrooge to a poor but clean room. It wasthe home of his clerk, Bob Cratchit, andhis family. Bob, his wife and his twochildren
I need help ASAP please