Question

I'm trying to find the limit as x approaches 4, abs(x-5) / x-5

Answer 1

just plug in x = 4 in your function
you know how to evaluate
abs (4-5) ... ?

Answer 2

abs(4-5) = abs(-1) = 1
4-5 = -1

1/(-1) = -1 ASNWER

Answer 3

Sorry, I meant as the limit is approaching 5

Answer 4

so you know what are left hand and right hand limits ?