Assuming [x] means the closest integer to x
Answer:
Explanation:
We can see that for any integer
, there will always be a
, so there will always be a
. So, we don't need to worry about the domain impacting the range.
can be any integer from
to
, and as
(at least in terms of a function's range and domain), the range of
is equal to the range of
, which is
.
So, the answer is
and we're done!