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

keeponbleeding

How do I add sqrt(3x+7) to sqrt(3x-7)?

  • one year ago
  • one year ago

  • This Question is Closed
  1. surdawi
    Best Response
    You've already chosen the best response.
    Medals 2

    \[\sqrt{3x+7}+\sqrt{3x+7}\] x + x =?

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

    @keeponbleeding you there

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

    The second one is 3x-7 not +7 but x+x =2x...

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

    \[\sqrt{3x+7}+\sqrt{3x-7}\] you cant add them unless you have a value for x

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

    well actually the question was a function: f(x)=sqrt(3x+7) g(x)= sqrt(3x-7)? Find (f + g)(x). So I thought Id add them…

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

    correct just put the "+" between them and you are good to go

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

    ohhh. k, its that easy...thanks! :)

    • one year ago
    • 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.