The answer is the fourth choice
6+12n=weight blah blah gotta have 20 characters
Translate in english please so we can answer
The domain is all possible x values.
In this case it goes from -2 to 6
So your domain is [-2,6] which is option b
Since the values -2 and 6 are included you use greater than or equal to and less than or equal to.
I
The congruent angle would be AGC because it is the same on both sides.