Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

blahblah32

  • 2 years ago

f(x) = 1+ (7/(x)) - (6/(x)^2) (b) Find the interval where the function is increasing. (Enter your answer using interval notation.) Find the interval where the function is decreasing. (Enter your answer using interval notation.) (c) Find the local maximum and minimum values. (If an answer does not exist, enter DNE.) (d) Find the interval where the function is concave up. (Enter your answer using interval notation.) Find the interval where the function is concave down. (Enter your answer using interval notation.) Find the inflection point.

  • This Question is Open
  1. math>philosophy
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do you know about the first and second derivative tests?

  2. blahblah32
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ye when you find the critical points and the point of inflection and then use intervals to test where the function is positive or negative

  3. blahblah32
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    that i understand, most of my confusion is the solving

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

    f'=7-6x<0 when x>7/6._____________ f'>0 when x<7/6_______________

  5. blahblah32
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i dont follow, is that the intervals?

  6. blahblah32
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    used to write the intervals *

  7. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.