+0  
 
0
89
1
avatar

What real values of x are not in the domain of 

 

$f(x) = \frac{1}{|x^2 + 3x - 4| + |x^2 + 9x - 10|}$

 Jun 14, 2021
 #1
avatar+121063 
+1

Not  as  difficult  as it might appear

 

Note  that when  x  =  1, both expressions  in the  denominator =  0

 

So  ..... only  x =  1  is not in the  domain

 

See the graph here  :     https://www.desmos.com/calculator/wlhkfsdgpf

 

 

cool cool cool

 Jun 14, 2021

33 Online Users