Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

v.s

  • 3 years ago

Find the first and second derivative of the function. Check to see that your answers are reasonable by comparing the graphs of f, f ', and f ''. f(x) = 3x − 4x^7/8

  • This Question is Closed
  1. v.s
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    f'(x)=\[3-\frac{ 7 }{ 2 }x ^{-\frac{ 7 }{ 8 }}\]

  2. campbell_st
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    not quite the power of the derivative is (n - 1) in your question its (7/8 - 1)

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

    -1/8

  4. v.s
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    f''(x)= \[\frac{ 7 }{ 16 }x ^{-\frac{ 9 }{ 8 }}\]

  5. campbell_st
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    looks ok... well done

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

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy