Question

evaluate the limit as x->0
(abs(x-20) - abs(x+20))/x

stuck...

Answer 1

-40abs/x

Answer 2

uhmm im not sure..

Answer 3

i think u gotta approach from right and left.. these abs limits are tricky sometimes

Answer 4

lim x->0 {|x-20|-|x+20|}/x

cleaner written question.

Answer 5

http://www.wolframalpha.com/input/?i=lim+x-%3E0+ {|x-20|-|x%2B20|}%2Fx click on show steps it's |-2|

Answer 6

From the right its -2
From the left its -2

lim = -2

Answer 7

bahrom...dang, bad retricelink!
thanks for the help guys