Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Yahoo! Group Title

The value of 5/(9x^2 + 6x + 11) is maximum when x=?

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    9 x^2 + 6x + 11 should be minimum

    • 2 years ago
  2. mukushla Group Title
    Best Response
    You've already chosen the best response.
    Medals 6

    take derivative

    • 2 years ago
  3. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    I dont think so

    • 2 years ago
  4. waterineyes Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    You should take derivative first..

    • 2 years ago
  5. mukushla Group Title
    Best Response
    You've already chosen the best response.
    Medals 6

    or complete the squre for 9 x^2 + 6x + 11

    • 2 years ago
  6. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    18 x + 6

    • 2 years ago
  7. mukushla Group Title
    Best Response
    You've already chosen the best response.
    Medals 6

    well so x=-2 will minimize 9 x^2 + 6x + 11 and consequencly will maximize 5/9 x^2 + 6x + 11

    • 2 years ago
  8. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    hw u got x = -2

    • 2 years ago
  9. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    The answer should be x = -1/3

    • 2 years ago
  10. mukushla Group Title
    Best Response
    You've already chosen the best response.
    Medals 6

    sorry 18 x + 6=0 then x=-1/3

    • 2 years ago
  11. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    got it thxxx

    • 2 years ago
  12. Pac1f1cIslander Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Why was I sent this in a message? xD

    • 2 years ago
  13. robtobey Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    A plot of 5/(9x^2 + 6x + 11) and it's derivative, in blue and red respectively, is attached.

    • 2 years ago
    1 Attachment
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.