Determine the following limits if it exists.

Question

a. lim x-->5 (4x/x-5)

Answer 1

at x = 5, we get 20/0 which is undefined
The limit does not exist

(we only have work to do if the limiting value produces 0/0)

Answer 2

Reiny, want to help on my 2nd question I did the some of the work but I'm stuck on the last step and need guidance

Answer 3

go to your other post further up