Identify the domain of the graph of y = -x2 - 6x – 13. O All real numbers
O x _< -4
O X >_ -6
O x >_ -2

I dont know

Step-by-step explanation:

-- Start a list.
-- At the beginning of the list, write zero. 
-- Next on the list, write ' 1 '.
-- Now you have the beginning of the Fibonacci series.
-- Whenever you want to add a new term to the list, sum up
     the last two terms on the list.  Their sum is the new term.