Asked by tina
domain of f(x) = sqrt (x-1)(x+1)
Answers
Answered by
bobpursley
You cant take the square root of a negative number and get a result in the real domain, so
if x =<-1 you get a real result as the square root
if x=>1 you get a real result
if x =<-1 you get a real result as the square root
if x=>1 you get a real result
There are no AI answers yet. The ability to request AI answers is coming soon!