Answer:
420
Step-by-step explanation:
Simple addition! I double checked!
Answer:
the answer is C
Step-by-step explanation:
The answer is 73, simple math
The domain of the function is possible values of independant varaible such that function is defined or have real values.
So the expression

is not defined for x = -6 and for x = 1, as expression becomes undefined for this values of x (Denominator becomes 0).
So answer is,

Option B is correct.