For what values of
,
have vertical asymptotes in the interval
.
Consider the function
.
Rewrite the function 
Find the vertical asymptote by equatimg the denominator to zero.
\

The general solution for
is
.
The solution of
is
.
Substitute
,

Substitute
, 

Substitute
, 

Therefore, the solutions of
is
.
The function
have vertical asymptotes at
.
The function
have vertical asymptotes at
.