we need more information, or at least an
A B C for edge 2020
i just did the quiz
what? are the statements?
x is in the overlap between B and C, so is an element of either and both B and C.
Because x is an element of C, it is also an element of A∪C, since that union includes all elements of A along with all elements of C (including x).
A. The function in vertex form is f(x) = (x – 4)2 – 11.