Question 642165
f(x)= √(x-6) and g(x)= x/x-3 
Find the domain of (f.g)(x)
x-6≥0
x≥6
and
(x-3)≠0
x≠3
Domain: {x|x≥6} (note: covers x≠3)
..
Find the domain of g(x)
 {x|x≠3}
..
find the domain of f(x)
 {x|x≥6}