Caleb Jares

reputation
29
bio
website
location       Colorado and Lincoln, NE
age            20
member for     2 years
seen           Apr 20 at 2:21
profile views  67

Computer Science Undergraduate at UNL. C#, .NET 4.5, Windows 8 lover.

|           |                | bio                      | visits   |                |         |
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|           | 318 reputation | website                  |          | member for     | 2 years |
| 29 badges | location       | Colorado and Lincoln, NE | seen     | Apr 20 at 2:21 |         |

29 Comments

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| May16 | comment | Finding the limit when denominator = 0Thank you, that does make sense (of course DNE being the same thing as + or - infinity - + in this case). When I asked this question, I didn't know that it was positive both ways. Can you explain how to get + or - infinity from the following problem? $$\lim_{x \to 3^+} \frac{x - 4}{x - 3}$$         |
| May16 | comment | Finding the limit when denominator = 0Yes, but what if the problem is $$\lim_{x \to 3^+} \frac{x - 4}{x - 3}$$. Approached from the right, it is $-\infty$ and from the left, it is $+\infty$. How do I tell if it is positive or negative infinity without graphing it or plugging in numbers?                                                   |
| May16 | comment | Finding the limit when denominator = 0Thanks for the answer, but I'm having trouble understanding this (I'm reviewing for a Calc 1 final). I'm not sure what $\forall$ and $\in$ are. Also, I'm not sure what M stands for.                                                                                                                       |
| May16 | comment | Finding the limit when denominator = 0I know that I could do it like that, but that's still plugging in values (albeit inside your head). I'm interested to find a way to solve it without plugging in numbers (even if it's in your head) or graphing it. It makes more sense to me if I can understand how the math works in an absolute sense. |
| May16 | comment | Finding the limit when denominator = 0I did not know you could change limits like that. If I change $$\lim_{x \to -2^-}$$ to $$\lim_{x \to 0^-}$$ what must happen to the rest of the function? Is there a rule for this?                                                                                                                         |
| May16 | comment | Finding the limit when denominator = 0yes, but the question is how do I solve it without plotting? how do I know that it goes to infinity and if it is positive or negative?                                                                                                                                                                      |
| May16 | comment | Finding a one sided limit algebraically (not plugging in numbers)@Tyler - Can you give an example of working that out?                                                                                                                                                                                                                            |
| May16 | comment | Finding a one sided limit algebraically (not plugging in numbers)and what about equations such as lim(x->-2 from the left) of 1/(x+2)^2                                                                                                                                                                                                           |
| May16 | comment | Finding a one sided limit algebraically (not plugging in numbers)thank you! I can't believe I missed that                                                                                                                                                                                                                                         |
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