Answer:
D. 
Step-by-step explanation:
A square root can't be evaluated if the number we want to find the square of is nagative.
The answer to your question is:
+4
-4, -3, -2, -1, 0, 1, 2, 3, 4
D since (-5 x -5) = 25 and (7 x -8) = -56. Add 25 and -56 and your answer is D. -31
Type in the question without g(x)