Login or Sign Up

Ask a New Question

Evaluate the limit:

lim as x -> -2
(x^4 - 16) / (x+2)

Factor your numerator as far as possible. After factoring, you should be able to just plug in -2.

Similar Questions

5) Use the L’Hopital’s method to evaluate the following limits. In each case, indicate what type of limit it is ( 0/0,

Top answer: sin(x^2-4)/(x-2) --> 2xcos(x^2-4)/1 --> 4 ln(x-3)/(x-5) --> (1/(x-3))/5 -> 0 (x-pi/4)tan(2x) = Read more.
How do we evaluate limit of,lim x-> 0 [ln(x+1)/( (2^x) - 1)] I tried using the substitution x+1 = e^k , when x tends to 0 so

Top answer: How about good old L'Hopital's rule lim x-> 0 [ln(x+1)/( (2^x) - 1)] = lim x-> 0 [1/(x+1) / Read more.
Given that lim x->c f(x)=6 and that lim x->c g(x)= -4, evaluate the following limit. Assume that c is a constant. The x in front

Top answer: The x in front of the f is any constant you would put in the equation. Example: x->5 5=c lim [xf(x) Read more.
Given that lim x-> f(x)=6 and that lim x-> g(x)= -4, evaluate the following limit. Assume that c is a constant.lim -2f(x) - 12 /

Top answer: I have to tell you , your notation is bizzare. What is x approaching? infinity? Your work seems ok, Read more.
i need some serious help with limits in pre-calc.here are a few questions that i really do not understand. 1. Evaluate: lim

Top answer: Seizing the means of production Read more.
Lim sin2h sin3h / h^2h-->0 how would you do this ?? i got 6 as the answer, just want to make sure it's right. and i couldn't get

Top answer: the first one is correct. Here is a simple way to check your limit answers if you have a calculator Read more.
need to find:lim as x -> 0 of 4(e^2x - 1) / (e^x -1) Try splitting the limit for the numerator and denominator lim lim x->0

Top answer: To solve this limit, start by splitting the limit for the numerator and denominator separately. lim Read more.
Evaluate each limit. If it exists.a) Lim x^3 + 1 x->1 ------- x + 1 b) Lim 3x^2 - x^3 x->0 ---------- x^3 + 4x^2 c) Lim 16 - x

Top answer: do you mean x --> -1? Otherwise, there's no problem evaluating the fraction. x^3+1 = (x+1)(x^2-x+1) Read more.
I have to evaluate the limit of these problems and I can't figure them out!1.) Lim x-> 1 x^2+x-2/x^2-x 2.) (please note that the

Top answer: Whenever transcribing fractions, do not forget to insert parentheses around numerator AND Read more.
Find the limit.lim 5-x/(x^2-25) x-->5 Here is the work I have so far: lim 5-x/(x^2-25) = lim 5-x/(x-5)(x+5) x-->5 x-->5 lim

Top answer: To find the limit, you correctly factored the expression by using the difference of squares formula. Read more.