Check the picture below.
make sure your calculator is in Degree mode.
Your answer would be 9/27 but can be converted to 1/3. Hope this helps
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.
Answer:
450 = 50x
Step-by-step explanation:
50x = 450
x = 450 / 50
x = 9