Answer:
Ok
Step-by-step explanation:
I have no idea. Where is the diagram.
For this case we must find the domain of the following function:

By definition, the domain of a function is given by all the values for which the function is defined.
In this case, the argument of the expression must be greater than 0 to be defined.

Thus, the domain of the function is given by all the values of x greater than -2.
Answer:
Domain: 
24 divided by 21 is 1.14285714286. In fraction form it is 8/7, or 1 1/7.