Need help with math limit problem

1. Sep 24, 2005

gillgill

i have done part of the work
but i got stuck here

what is
lim f(x) = lim ln [(x + 2)/(x - 1)] =???
x→-2- x→-2-

how do u solve for this?

2. Sep 24, 2005

VietDao29

What is:
$$\lim_{x \rightarrow -2 ^ -} \frac{x + 2}{x - 1}$$? Note that the numerator tends to 0, while the denominator tends to -3.
Then what can you say about:
$$\lim_{x \rightarrow 0 ^ +} \ln x$$?
Viet Dao,

3. Sep 24, 2005

gillgill

that would be -infinity??