What are the domain and range of the function:
the quantity of x squared minus 4 x minus 12, all over x plus 2?

A. domain is x is all real numbers where x does not equal negative 2 comma range is y is all real numbers where y does not equal negative 8
B. domain is x is all real numbers where x does not equal 4 comma range is y is all real numbers where y does not equal negative 2
C. domain is x is all real numbers where x does not equal 2 comma range is y is all real numbers where y does not equal 8
D. domain is x is all real numbers where x does not equal negative 4 comma range is y is all real numbers where y does not equal 2