Answer:
I think Emily is
Step-by-step explanation:
-x^2-x+y-6 Should be right
y=x^2-x-6 = x^2-x+y-6
Radius is half of the diameter so it's 7 for the diameter.
Absolute value is when you have either a positive or negative value within a set of "parentheses" or what look just like vertical lines and whatever is within those line stays or becomes positive. The only exception to this is when there is a negative on the outside to act upon the positive values within.
-2x-6
EXPLANATION
(3x-5) = (-2x) - 6