When limit of the denominator is 0

Question 1

If lim of f(x) does not equal 0 but lim g(x) (denominator) does then the answer is

Answer 1

-infinity
+infinity
DNE
one sided limits are negative and positive infinity

Question 2

I both the limit of f(x) and g(x) (denominator) equal 0 then the answer

Answer 2

could exist or not exist

Question 3

Limits that are 0/0 are called

Answer 3

Indeterminate form