Can you please help with these 6 questions they have to do with calculus and please show all of your work so it is easier to understand I wrote the first one and the rest are in the photo below 1)find the domain of h(z)= z+1/square root of z-9

Section 1.3 . (20 points) Question 3 : Given f (x) = r + - and g (x) = _ Find : 1. fog = (Fog) ex; = f (qux> > = x ( ) 2x ) + Xx 2. gof = (qof](x)= gcf cx>) = 12x - ( x + /x ) = 2x - x + /x = 3x -X 3. fof = 4. gog =