Question

determine whether f(x) approaches ∞ or -∞ as x approaches -2 from the left and from the right.
f(x) = (1)/(x+2)

Answer 1

not really sure where to begin. i'm pretty tired

Answer 2

it is approaching negative ∞?

Answer 3

i don't really know. i just assumed because it was negative

Answer 4

@qtexpress101 If you graph this function, you'll see the limits you want.
http://www.wolframalpha.com/input/?i=limit+as+x+approaches+-2+f%28x%29+%3D+%281%29%2F%28x%2B2%29