The function is
.
All possible values of
is domain of the function.
The denominator of the function should not be the zero.
\
Solve the equation
by using quadratic formula.
Roots of the quadratic equation are
.
In this case
.




and
.
Therefore, the domain of the function is all real values of
except
and
.
The domain set is
.
Domain in interval notation
.
The domain set is
.
Domain in interval notation
.