College algebra need help!

[daisia99]

For f(x)= x^2+7 and g(x)= Square rt x-1, find the following composite functions and state the domain.
a) f o g (b) g o f (c) f o f (d) g o g

 

[Steven G]

fog(x) = f(g(x)) = f(sqrt(x+1)) = ...
gof(x) = g(f(x)) = g(x^2+1)=...
fof(x) = f(f(x)) = f(x^2+1) = ...
gog(x) = g(g(x)) = g(sqrt(x+1)) = ...

 

[daisia99]

thank u do u think u can reply to my other posts?

 

[Steven G]

thank u do u think u can reply to my other posts?

Can you first do these problems?

 

[lookagain]

thank u do u think u can reply to my other posts?

Please spell out your words/do not use texting. Try to write in English
sentences.

Look at this:

"Thank you. Do you think you can reply to my other posts?"