The function is
.
The domain of the function is set of all values at which the function is continuous.
\The denominator should not be equal to
.
\
Therefore the function is undefined at the real zero of the denominator
.
The real zero of
is
.
Thus, the function is continuous for all real numbers except
.
Therefore Domain,
.
Check for vertical asymptotes :
\Determine whether
is a point of infinite discontinuity.
Find the limit as
approaches
from the left and the right.
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Because
and
is a vertical asymptote of
.
Check for horizantal asymptotes :
\Draw the table to determine the end behaviour of
. \ \
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From the table
and
.
Therefore there is no horizantal asymptote for the above function.
\Domain,
.
Vertical asymptote,
.
No horizantal asymptote.