A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 4 years ago

f(x)=-x^4-4 if i had to plug in a -2 for the x what would i get? i got 12. is that right?

  • This Question is Closed
  1. TuringTest
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\large f(x)=-x^4-4\]is the problem?

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

    yes

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

    watch thh signs\[\large f(-2)=-(-2)^4-4=-(16)-4=?\]

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

    -20?

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

    looks that way :D

  6. TuringTest
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    did you know that (-2)^4=16 ? or did you think it was negative?

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

    i know it equals 16 but the negative sign infront of the x threw me off.

  8. TuringTest
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    right-o !

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

    what would it be if it was a -1 instead of a -2?

  10. TuringTest
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[(-1)^4=(-1)(-1)(-1)(-1)=(1)(1)=1\]

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

    ok i got that wrong too. i wrote -3

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

    wait, so \[-1^{4}-4\]=1?

  13. TuringTest
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no, I just did the (-1)^4 part, try the rest yourself!

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

    -5

  15. TuringTest
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yep, nice job :)

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

    thank you!

  17. 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.