# Math Help - continuity intervals

1. ## continuity intervals

I can't figure out how to do this problem.

Find the interval(s) where

f(x)=sqrt(x-8), x<-4
3x-2, x>or equal to -4

is continuous.

2. Originally Posted by ryandman89
I can't figure out how to do this problem.

Find the interval(s) where

f(x)=sqrt(x-8), x<-4
3x-2, x>or equal to -4

is continuous.
How can $\sqrt{x-8}$ make sense for $x<-4$?

3. thats what I was thinking, but I eventually figured it out. Basically you just ignore that piece and find the range of the other one...really simple.