Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

levinotik

  • 2 years ago

Any idea how I can ask a question longer than 600 chars? I typed up a longish question that cannot be shortened.

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

    I've attached my question.

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

    For big questions, you could ask each part in a separate post. The equations in your attached question seem to be incorrect. For example, you've got "f(x) = x^2 + x/x+1" but the notes have\[f(x)=\frac{x^{2}+x}{x+1}.\]What you probably meant was f(x) = (x^2 + x)/(x+1), which would be the same as the notes. It's a good idea to use the equation button if you want to include equations. You asked, "Am I right in understanding that there's nothing inherently "easy" about calculating the limit of this function, but that it's only because we are looking for the limit as x tends to 3 that it becomes easy? In other words, if we wanted the limit as x approached zero then it would be a hard one?" No, you've not understood correctly. The case where x tends to zero is just as easy. It's only when x tends to -1 that it's hard in that particular example. For your second question, I think the notes have failed to say that\[\Delta x=x-x_{0}.\]I hope that clears up the confusion.

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

    Thanks for your response. I think I see it now. You're saying that \[x_0\] cannot be equal to \[x \] because then \[\Delta x \] is equal to zero and we cannot divide by zero.

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

    Yes, that's it.

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

    So essentially, the example of \[x \rightarrow x_0 \] is the same thing as \[\Delta x \rightarrow 0\]?

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

    I think so, yeah.

  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.