A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Help!

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    WOULDN'T YOU JUST PLUG THEM IN? \[3(3)^{2}-4(3)+1\]

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    No because thats not an option

  3. Michele_Laino
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 3

    you have to compute the first derivative of the function v(t) at t=3, namely: \[\Large a\left( t \right) = \frac{d}{{dt}}\left( {3{t^2} - 4t + 1} \right) = ...?\]

  4. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    6t-4

  5. Michele_Laino
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 3

    ok! now replace t with 3, what do you get?

  6. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    14

  7. Michele_Laino
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 3

    correct! your answer is a=14 feet/sec^2

  8. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you so much!

  9. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    michele is right cause accelration is the rate of change of velocity per time!

  10. Michele_Laino
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 3

    thanks!! :)

  11. Michele_Laino
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 3

    thanks!! @Hassan3130

  12. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you @Hassan3130 !

  13. 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

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.