What is the answer to this question?

Step-by-step explanation:

g°h indicates that you must plug the function h(x) into the function g(x) as you can see below:

Now you must simplify by adding like terms, as following:

By definition you have that:

Theen you must solve for x:

Therefore, the domain is:

{ ∈R:}

Then the answer is

you need to give us more information since we can't answer

if i put something wrong your not gonna like it so rather not say nothing.